| Country | Day | Month | Names |
 Bulgaria | 1 | January | Vasil, Vasilena, Vesela, Veselin, Veselina |
 Hungary | 1 | January | Fruzsina |
 Czechia | 2 | January | Karina |
 USA | 4 | January | Angel, Angela, Angelica, Angelina, Angeline, Angelique, Angelo, Angie, Dangelo, Deangelo, Lewis, Lou, Louie, Louis, Luis |
 Ukraine | 5 | January | Apollinaria, Teon |
| Bulgaria | 7 | January | Ivan, Ivaylo, Ivanka, Vanio, Vania, Encho, Enio, Zhan, Zhana, Ivayla, Ivelin, Ivelina, Ivet, Ivo, Yoan, Ioan, Ioana, Yonka, Yonko, Yoncho, Yoto, Kaloyan, Kaloian |
 Croatia | 8 | January | Severin, Bogoljub, Apolinarij |
 Lithuania | 8 | January | Apolinaras, Ginte, Teofilis, Vilintas |
| USA | 8 | January | Alvis, Elvis, Severin, Severina, Severne |
 Poland | 9 | January | Antoni, Bazylissa, Borzymir, Julian, Julianna, Marcelina, Marcjanna |
| USA | 9 | January | Belinda, Linda, Lindy, Malinda, Melina, Melinda, Minda, Mindee, Mindie, Mindy, Olinda |
 Slovakia | 11 | January | Malvína |
| USA | 12 | January | Alain, Alaina, Alan, Alana, Alanna, Alayna, Allan, Allen, Allena, Lana, Lanna |
| Bulgaria | 14 | January | Nina, Adam, Kalcho |
 France | 14 | January | Nina |
 Greece | 14 | January | Nina |
| Ukraine | 14 | January | Adam, Nina |
 Italy | 15 | January | Dazio, Macrina |
| Slovakia | 16 | January | Kristína |
| USA | 18 | January | Faustina, Faustine, Fraser, Fraze |
| Poland | 19 | January | Andrzej, Bernard, Erwin, Erwina, Eufemia, Henryk, Kanut, Mariusz, Marta, Matylda, Mechtylda, Pia, Racimir, Sara |
| Lithuania | 21 | January | Agniete, Galiginas, Garse |
| Poland | 26 | January | Paula, Paulina, Polikarp, Skarbimir, Wanda |
| USA | 26 | January | Aubrey, Conan, Coner, Conner, Connor, Conor, Gonzalo, Paola, Paula, Paulette, Paulina, Pauline |
 Russia | 27 | January | Nina |
 Spain | 29 | January | Valeria, Valerio, Martina |
 Austria | 30 | January | Adelgunde, Martina |
| Croatia | 30 | January | Martina, Tina, Gordana |
 Germany | 30 | January | Martina |
| Hungary | 30 | January | Martina, Gerda |
 Latvia | 30 | January | Parsla, Valentina |
| USA | 30 | January | Franklin, Franklyn, Freeman, Fremont, Marteena, Martina, Martine |
| Italy | 31 | January | Martina |
| Poland | 31 | January | Cyrus, Euzebiusz, Jan, Ksawery, Ludwik, Marceli, Marcelin, Marcelina, Piotr, Spycigniew, Wirgiliusz |
| Austria | 1 | February | Brigitta, Katharina, Reginald, Severus |
| Bulgaria | 1 | February | Lozan, Trifon, Veselin, Radko, Veselina, Rada, Radka |
| Bulgaria | 2 | February | Radost, Radostina |
 Finland | 2 | February | Jemina, Aamu, Lumi |
| Hungary | 2 | February | Karolina, Aida |
| Spain | 2 | February | Catalina, Aída, Felipe, Ayuda, Candelaria, Purificación, Néstor |
| Greece | 3 | February | Asimina, Malamati, Stamatis, Stamatia |
| Spain | 3 | February | Oscar, Blas, Adelina |
| Croatia | 4 | February | Katarina, Andrija, Veronika |
| Lithuania | 5 | February | Agota, Birute, Gaudvinas, Ilona |
| Bulgaria | 6 | February | Svetla, Svetlana, Svetlomir, Doroteya, Ognyan, Ognyana, Plamen, Plamena, Svetozar, Svetlozar, Fotii, Fotina |
| Austria | 8 | February | Hieronimus, Josefina, Josefine |
| Finland | 8 | February | Laina |
| Poland | 8 | February | Gniewomir, Gniewosz, Honorat, Jan, Ksenofont, Lucjusz, Paweł, Piotr, Salomon, Sebastian, Żaklina |
| Austria | 9 | February | Alto, Anna, Katharina, Katharine, Apollonia |
| Bulgaria | 9 | February | Hristina |
| Spain | 9 | February | Donato, Sabino, Reinaldo, Apolonia |
| Bulgaria | 10 | February | Valentin, Valentina, Valia, Lambi, Haralambi, Haralampi |
| Finland | 10 | February | Elina, Ella, Ellen, Elle |
| Latvia | 10 | February | Paula, Paulina, Pauline |
| Poland | 11 | February | Adolf, Adolfa, Adolfina, Alf, Bernadetta, Dezydery, Eufrozyna, Łazarz, Lucjan, Maria, Olgierd, Świętomira |
| Croatia | 12 | February | Reginald, Damjan, Eulalija |
| Latvia | 12 | February | Karlina, Karline, Lina |
| Lithuania | 12 | February | Benediktas, Deimante, Eulalija, Mantminas |
 Sweden | 12 | February | Evelina, Evy |
| Austria | 13 | February | Adolf, Christina, Irmhild |
| Bulgaria | 14 | February | Valentin, Valentina, Valya, Valyo |
| Croatia | 14 | February | Valentin, Valentina, Zdravko |
| Greece | 14 | February | Valentinos, Dinos, Dina, St. Valentine’s Day |
| Lithuania | 14 | February | Liliana, Saile, Saulius, Valentinas |
| Poland | 14 | February | Adolf, Adolfa, Adolfina, Alf, Cyryl, Dobiesława, Dobisława, Józef, Józefa, Konrad, Konrada, Krystyna, Lilian, Liliana, Mikołaj, Niemir, Niemira, Walenty, Zenon, Zenona |
| Spain | 14 | February | Dionisio, Valentín, Valentina, Odile |
| USA | 14 | February | Lovell, Lowell, Valentin, Valentina, Valentine, Valiant |
| Czechia | 15 | February | Jiřina |
 Estonia | 15 | February | Tiina, Neidi |
| France | 15 | February | Claude, Georgina, Jordan |
| Hungary | 15 | February | Kolos, Georgina |
| Poland | 15 | February | Faustyn, Georgia, Georgina, Jordan, Jowita, Józef, Klaudiusz, Przybyrad, Sewer |
| Spain | 15 | February | Georgia, Georgina, Faustino |
| USA | 15 | February | Georgette, Georgia, Georgina, Jovan, Jovita, Siegfried, Sigrid, Sue, Susan, Susana, Susanna, Susie, Suzanne |
| Finland | 17 | February | Väinö, Väinämö, Karita, Rita |
| USA | 17 | February | Jordan, Jordana, Jordanne, Jorden, Jordon, Jordyn, Leroy, Reggie, Reginald, Regis, Rex, Rexanna, Rexford, Rexine, Roy, Royce |
| Spain | 19 | February | Álvaro, Conrado, Almudina, Gabino, Gabina |
| Finland | 20 | February | Heli, Helinä, Hely, Heljä |
| Estonia | 22 | February | Hela, Heli, Helin, Helina, Helis, Häli |
| Lithuania | 22 | February | Darvydas, Elvinas, Gintaute, Margarita |
 Norway | 22 | February | Tim, Tina |
| Ukraine | 22 | February | Regina |
| Lithuania | 23 | February | Butvile, Gantautas, Romana, Severinas |
| Russia | 23 | February | Anna, Valentina |
| Latvia | 24 | February | Diana, Dina, Dins, Gatins, Gatis, Kurbads |
| Hungary | 26 | February | Edina |
| Latvia | 26 | February | Evelina, Eveline, Metra |
| Norway | 28 | February | Maren, Marina |
| Austria | 1 | March | Albin, Leontina, Roger |
| Bulgaria | 1 | March | Evdokiya, Marta, Martin, Martina, Boiko, Boyko |
| Lithuania | 1 | March | Albinas, Antanina, Rusne, Tulgaudas |
| Poland | 1 | March | Albin, Antoni, Antonina, Budzisław, Budzisz, Eudokia, Eudoksja, Ewdokia, Feliks, Herakles, Herkules, Jewdocha, Joanna, Józef, Nikifor, Piotr |
| USA | 1 | March | Chapman, Dina, Dinah, Glen, Glenda, Glenn, Glenna, Seth |
| Lithuania | 2 | March | Dautara, Eitautas, Elena, Marcelinas |
| Lithuania | 4 | March | Daina, Daugvydas, Kazimieras, Vaclava |
| Spain | 6 | March | Humberto, Olegario, Judith, Nina |
| Norway | 8 | March | Beate, Bettina, Betty |
| Bulgaria | 10 | March | Galin, Galina, Galya, Galyo, Genoveva |
| Austria | 11 | March | Alram, Rosina |
| Estonia | 11 | March | Ain, Ainar, Aigar, Innar, Inno |
| Greece | 11 | March | Savina, Thalis |
| Lithuania | 11 | March | Gedimtas, Konstantinas, Vijole |
| USA | 11 | March | Alberta, Albertina, Angus, Connie, Constance, Constantine, Consuela, Consuelo, Elberta, Ramiro |
| Austria | 12 | March | Almut, Beatrix, Serafina |
| Italy | 12 | March | Costantino, Rosina |
| Poland | 12 | March | Bernard, Blizbor, Grzegorz, Józefina, Wasyl |
| Russia | 12 | March | Kira, Marina |
| Spain | 12 | March | Josefina, Maximiliano, Fina |
| Croatia | 13 | March | Rozalija, Ratka, Kristina |
| Lithuania | 13 | March | Kristina, Liutauras, Teodora, Vaidile |
| Ukraine | 13 | March | Anina |
| Russia | 14 | March | Antonina |
| Spain | 14 | March | Jacobo, Matilde, Florentina |
| Lithuania | 15 | March | Klemensas, Lionginas, Tautas, Tautginte |
| Ukraine | 16 | March | Savina |
| Latvia | 17 | March | Gerda, Gertrude, Karina |
| Poland | 17 | March | Gertruda, Harasym, Jan, Patrycjusz, Patryk, Regina, Rena, Zbigniew, Zbygniew, Zbyszko |
| Latvia | 18 | March | Adelina, Ilona, Razna, Sartite |
| Finland | 19 | March | Juuso, Josefiina, Jose, Joosef, Jooseppi, Joose |
| Sweden | 19 | March | Josef, Josefina |
| Finland | 23 | March | Akseli, Selina |
| Russia | 23 | March | Galina |
| Austria | 24 | March | Elias, Karin, Katharina |
| Bulgaria | 24 | March | Zahari, Zaharina, Hari |
| Croatia | 24 | March | Katarina, Simeon |
| Estonia | 24 | March | Albina, Albi, Albe |
| Hungary | 24 | March | Gábor, Karina |
| Bulgaria | 25 | March | Blagovest, Blagovesta, Blagoi, Blaga, Blago, Blaguna, Bonka, Boncho, Marian, Mariana, Blazhe, Evangelina, Vangel, Dobri, Dobrina, Dobrinka |
| Italy | 25 | March | Caterina di Svezia |
| Latvia | 25 | March | Mara, Marina, Marita, Marite |
| USA | 25 | March | Allegra, Chiquita, Teena, Tina, Tiny |
| Spain | 28 | March | Esperanza, Gundelina |
| Lithuania | 30 | March | Ferdinandas, Gvidonas, Meda, Rusne, Virmantas |
 Denmark | 31 | March | Balbina |
| Lithuania | 31 | March | Benjeminas, Gina, Ginas, Kornelia |
| Poland | 31 | March | Amos, Balbina, Beniamin, Dobromira, Gwidon, Kirył, Korneli, Kornelia |
| Austria | 1 | April | Hugo, Irene, Irina |
| Latvia | 3 | April | Daira, Dairis, Ferdinands |
| Sweden | 3 | April | Ferdinand, Nanna |
| Norway | 4 | April | Nancy, Nanna, Nina |
| Finland | 5 | April | Irene, Irina, Ira, Iro |
| USA | 5 | April | Chandra, Ethelburga, Irene, Irina, Tyler, Tylor |
| Lithuania | 6 | April | Celestinas, Daugirutis, Genardas, Zintaute |
| Poland | 6 | April | Ada, Adam, Adamina, Celestyn, Celestyna, Diogenes, Ireneusz, Katarzyna, Świętobor, Sykstus, Wilhelm, Zachariasz |
| USA | 6 | April | Celesta, Celeste, Celestina, Celestine, Tyra |
| Czechia | 7 | April | Heřman, Hermína |
| Latvia | 7 | April | Helmuts, Zina, Zinaida |
| Poland | 8 | April | Apolinary, Cezary, Cezaryna, Dionizy, Gawryła, January, Radosław, Sieciesława |
| Croatia | 9 | April | Marija Kleofina, Demetrije |
| Bulgaria | 12 | April | Vencislav, Vencislava, Violeta, Varban, Girgin, Girgina, Dilyan, Dilyana, Zdravka, Zdravko, Latinka, Lilyana, Margarita, Nevena, Roza, Rosen, Rosica, Trendafil, Trendafilka, Tsvetan, Tsveta, Tsvetanka, Tsviatko, Tseno, Stanislav, Stanislava |
| USA | 13 | April | Thom, Thomas, Thomasina, Thompson, Tom, Tomas, Tommie, Tommy, Twain |
| Bulgaria | 14 | April | Martin, Martina |
| Lithuania | 14 | April | Justinas, Vaisvyde, Vaiva, Valerijonas, Visvaldas |
| Slovakia | 14 | April | Justína |
| Lithuania | 15 | April | Anastazijus, Liudvina, Modestas, Vaidote, Vilnius |
| Poland | 15 | April | Anastazja, Bazyli, Leonid, Ludwina, Modest, Olimpia, Tytus, Wacław, Wacława, Wiktoryn, Wszegniew |
| Poland | 16 | April | Benedykt, Bernadetta, Cecyl, Cecylian, Charyzjusz, Erwin, Erwina, Julia, Ksenia, Lambert, Lamberta, Nikita, Nosisław, Patrycy, Urban |
| USA | 16 | April | Kareem, Magnus, Malvin, Malvina, Melva, Melvin, Melvina |
| Poland | 17 | April | Anicet, Innocenta, Innocenty, Jakub, Józef, Klara, Radociech, Robert, Roberta, Rudolf, Rudolfa, Rudolfina, Stefan |
| Lithuania | 19 | April | Aiste, Eirimas, Leonas, Leontina, Simonas |
| Poland | 19 | April | Adolf, Adolfa, Adolfina, Alf, Cieszyrad, Czech, Czechasz, Czechoń, Czesław, Leon, Leontyna, Pafnucy, Tymon, Werner, Włodzimierz |
| Finland | 22 | April | Alina, Aida |
| Lithuania | 24 | April | Ervina, Fidelis, Kantrimas |
| Poland | 24 | April | Aleksander, Aleksy, Egbert, Erwin, Erwina, Fidelis, Grzegorz, Horacjusz, Horacy |
| Latvia | 26 | April | Alina, Geraldine, Rusins, Sandris |
| Poland | 26 | April | Artemon, Klaudiusz, Klet, Marcelin, Marcelina, Maria, Marzena, Spycimir |
| Latvia | 27 | April | Inars, Klementine, Raimonda, Tale |
| Austria | 29 | April | Katharina, Roswitha |
| Croatia | 29 | April | Katarina Sijenska |
| Italy | 29 | April | Caterina da Siena |
| Lithuania | 29 | April | Augustinas, Indre, Rita, Tarmantas |
| Poland | 29 | April | Angelina, Augustyn, Bogusław, Hugo, Hugon, Paulin, Piotr, Rita, Robert, Roberta, Sybilla |
| Russia | 29 | April | Irina |
| Spain | 29 | April | Teodora, Karen, Katia, Wilfredo, Catalina |
| Greece | 30 | April | Asimakis, Jacob, Argyro, Malamati, Matina |
| Norway | 30 | April | Gina, Gitte |
| Bulgaria | 1 | May | Ermen, Ermena, Maya, Ermelina, Ermenko, Tamara |
| Lithuania | 1 | May | Vydmante, Zigmantas, Zigmas, Zilvinas |
| Poland | 2 | May | Afanazy, Anatol, Atanazy, Longin, Longina, Walenty, Walter, Witomir, Zygmunt |
| Poland | 3 | May | Aleksander, Antonina, Maria, Mariola, Świętosława |
| Slovakia | 3 | May | Galina |
| Ukraine | 4 | May | Alvina, Eunice, June, Palahna, Una |
| Bulgaria | 5 | May | Irina, Mira, Irena, Miroslav, Miroslava |
| Finland | 5 | May | Maini, Melina, Melissa |
| Bulgaria | 6 | May | Georgi, Georgiya, Gergana, Gyuro, Galin, Galina, Galya, Ganka, Gancho, Genko, Genoveva, Gergin, Gergana, Gergina, Ginka, Zhorzh |
| Slovakia | 6 | May | Hermína |
| Latvia | 7 | May | Henriete, Henrijs, Jete, Tina |
| Sweden | 7 | May | Carina, Carita |
| Croatia | 8 | May | Marija posrednica, Marina, Ida |
| Latvia | 9 | May | Einars, Ervins, Klavs, Rebeka |
| Poland | 9 | May | Beatus, Bożydar, Grzegorz, Job, Karolina, Mikołaj |
| Estonia | 10 | May | Aino, Aina, Aini, Ainu, Ainike |
| Finland | 10 | May | Aina, Aini, Aino, Ainikki |
| Lithuania | 10 | May | Putinas, Sangaile, Viktorina |
| USA | 10 | May | Cormac, Cormick, Gordon, Job, Joby, Jobina, Max, Maximilian, Maximus, Maxine, Maxwell |
| Spain | 11 | May | Estela, Favio, Amparo, Poncio, Eudaldo, Iluminado, Anastasio |
| Russia | 14 | May | Irina |
| Spain | 14 | May | Matías, Corona, Cora, Henedina, Alba, Gemma |
| Poland | 18 | May | Aleksander, Aleksandra, Alicja, Edwin, Eryk, Eryka, Feliks, Irina, Liboriusz, Myślibor, Wenancjusz |
| Lithuania | 19 | May | Celestinas, Gilvinas, Taura |
| Spain | 19 | May | Celestina, Celestino, Crispín |
| Finland | 20 | May | Lilian, Lilja, Karoliina, Lila, Lili, Lilli, Lilia |
| Sweden | 20 | May | Carola, Karolina |
| USA | 20 | May | Bernadette, Bernardina, Bernardine, Bernetta, Bernita |
| Bulgaria | 21 | May | Elena, Konstantin, Kosta, Kostadin, Kostadinka, Lenko, Dicho, Lenko, Dinko, Elenko, Eli, Elin, Elka, Ilona, Kojcho, Kostadina, Kostadinko, Kuncho, Stamen, Stanimir, Stanimira, Stanka, Stoil, Stoyan, Stoian, Stoyanka, Trayko, Dinko |
| Greece | 21 | May | Konstantinos, Kostas, Tina, Dina, Eleni, Helen |
| Lithuania | 21 | May | Vaidivutis, Valentas, Vydmina |
| Greece | 24 | May | Korina, Fotini |
| Lithuania | 24 | May | Gerardas, Gina, Vilmantas |
| Spain | 25 | May | Valentín, Valentina, Sonia |
| Estonia | 26 | May | Vilma, Vilme, Valme, Valmi, Vella, Velli, Miina, Minna |
| Finland | 26 | May | Minna, Vilma, Minni, Miina, Mimmi, Vilhelmiina |
| Lithuania | 26 | May | Algimantas, Eduardas, Milvyde, Vilhelmina |
| Poland | 26 | May | Beda, Filip, Marianna, Paulina, Więcemił, Wilhelmina |
| Sweden | 26 | May | Vilhelmina, Vilma |
| Lithuania | 27 | May | Augustinas, Brunonas, Leonora, Virgaudas, Zymante |
| Spain | 27 | May | Carolina |
| Austria | 30 | May | Ferdinand, Johanna, Otto |
| Czechia | 30 | May | Ferdinand |
| France | 30 | May | Ferdinand, Jeanne, Lorraine |
| Germany | 30 | May | Felix, Ferdinand |
| Lithuania | 30 | May | Ferdinandas, Joana, Jomile, Vyliaudas, Zana |
| Slovakia | 30 | May | Ferdinand |
| USA | 30 | May | Joan, Joani, Joann, Joanna, Joanne, Johanna, Fawn, Fern, Fernanda, Fernando, Ferdinand, Ferdinanda, Ferdinando |
| Russia | 31 | May | Alexandra, Faina, Julia |
| Spain | 31 | May | Visitación, Petronila, Amelia, Avelina |
| Ukraine | 31 | May | Petronella, Petrina, Petrunia |
| Spain | 2 | June | Erasmo, Marcelino, Blandina, Edelmira, Ausonia |
| Slovakia | 3 | June | Karolína |
| USA | 3 | June | Chloe, Clotilda, Keven, Kevin, Kevina, Kevon |
| Spain | 4 | June | Emma, Quirino, Ruth, Saturnina, Noemí, Rut |
| USA | 4 | June | Cora, Coral, Coretta, Corey, Cori, Corina, Corine, Corinne, Corrigan, Corrin, Cory, Homer, Kori, Korey, Korin, Korrigan, Kory |
| Lithuania | 6 | June | Meta, Norbertas, Paulina, Tauras |
| Poland | 6 | June | Benignus, Dominika, Klaudiusz, Laurenty, Norbert, Norberta, Paulina, Symeon, Więcerad |
| Bulgaria | 10 | June | Antonina |
| Ukraine | 10 | June | Antonina, Antonia |
| Poland | 12 | June | Antonina, Bazyli, Jan, Leon, Onufry, Wyszemir |
| Latvia | 13 | June | Ainars, Tautvaldis, Tobijs, Uva, Zigfrids, Zigrids |
| Lithuania | 13 | June | Akvilina, Antanas, Kunotas, Skalve |
| Sweden | 13 | June | Aina, Aino |
| Estonia | 14 | June | Leina, Leine, Leini |
| Lithuania | 14 | June | Almina, Bazilijus, Digna, Labvardas |
| Bulgaria | 15 | June | Avgustin, Avgustina, Vitan, Vitomir |
| Poland | 15 | June | Abraham, Angelina, Bernard, Jolanta, Leona, Leonida, Nikifor, Wit, Witold, Witołd, Witolda, Witosław, Wodzisław |
| Lithuania | 16 | June | Benas, Julita, Jura, Tolminas |
| Poland | 16 | June | Alina, Aneta, Benon, Budzimir, Jan, Justyna, Ludgarda |
| Spain | 16 | June | Ciro, Aquilino, Aureliano, Siro, Alina, Regina, Regis |
| Sweden | 16 | June | Axel, Axelina |
| Poland | 17 | June | Adolf, Adolfa, Adolfina, Agnieszka, Alf, Drogomysł, Franciszek, Laura, Marcjan, Radomił, Rainer, Wolmar |
| Austria | 18 | June | Elisabeth, Ilsa, Marina |
| Lithuania | 18 | June | Arnulfas, Ginbutas, Marina, Vaiva |
| Poland | 18 | June | Efrem, Elżbieta, Gerwazy, Leonia, Marek, Marina, Paula |
| Spain | 18 | June | Justo, Marceliano, Marina |
| USA | 18 | June | Effie, Efrain, Eph, Ephraim, Marina, Marnie, Nevaeh |
| Austria | 20 | June | Adalbert, Florentina |
| Lithuania | 20 | June | Silverijus, Zadveinas, Zintaute |
| Lithuania | 21 | June | Alicija, Aloyzas, Galminas, Vasare |
| Poland | 21 | June | Albaniusz, Alicja, Alojza, Alojzy, Demetria, Domamir, Marta, Rudolf, Rudolfa, Rudolfina, Teodor |
| Spain | 21 | June | Luis, Demetria, Terencio, Raul, Gina, Koldo, Rodolfo |
| Estonia | 22 | June | Paula, Pauliine, Liina, Liine |
| Finland | 22 | June | Liina, Paula, Pauliina |
| Greece | 22 | June | Zinas |
| Hungary | 22 | June | Paulina |
| Poland | 22 | June | Achacjusz, Achacy, Agenor, Alban, Broniwoj, Flawiusz, Innocenta, Innocenty, Kirył, Paulina |
| Slovakia | 22 | June | Paulína |
| Sweden | 22 | June | Paula, Paulina |
| Poland | 23 | June | Agrypina, Albin, Bazyli, Józef, Piotr, Prosper, Wanda, Zenon, Zenona |
| Russia | 23 | June | Alexandra, Antonina |
| Spain | 23 | June | Alicia, Apolo, Inmaculada, Walter, Agripina |
| USA | 23 | June | Audra, Audrey, Dashawn, Deshawn, Elton, Ethel, Josiah, Josias, Shaina, Shania, Shaun, Shauna, Shawn, Shawna, Shayna, Shayne, Shonda |
| USA | 25 | June | Bill, Billie, Billy, Guillermo, Liam, Mina, Minnie, Prosper, Velma, Vilma, Wilhelmina, Will, William, Willie, Willis, Wilma, Wilson |
| Lithuania | 27 | June | Ema, Gediminas, Norgaile, Vladas, Vladislovas |
| Bulgaria | 29 | June | Apostol, Kamen, Pavel, Pavlin, Pavlina, Pejo, Penka, Pencho, Petrana, Petar, Petya, Petzo, Petar, Petya, Pavel, Pavlina, Polina, Kamen, Asen, Asya, Desislava, Krym, Rumen, Rumyana, Chavdar, Asen, Asya, Desislava, Krum |
| Greece | 29 | June | Petros, Peter, Petrina, Paul |
| Bulgaria | 30 | June | Apostol, Pavel, Pavlina, Polya, Polina |
| Denmark | 30 | June | Lucina |
| Lithuania | 30 | June | Adele, Emilija, Liucina, Novile, Tautginas |
| Bulgaria | 1 | July | Dame, Damyan, Kozma, Kuzman, Damyan, Krasimir, Krasimira, Krasina |
| Poland | 1 | July | Aaron, Bogusław, Halina, Klarysa, Marian, Niegosława, Teobald |
| Lithuania | 3 | July | Anatolijus, Liaudmina, Vaidilas |
| Lithuania | 4 | July | Gedgaile, Malvina, Skalvis, Teodoras |
| Poland | 4 | July | Ageusz, Alfred, Aurelian, Elżbieta, Innocenta, Innocenty, Józef, Julian, Malwin, Malwina, Odo, Teodor, Wielisław |
| USA | 4 | July | America, Calvert, Calverta, Calvin, Calvina, Kalvin |
| Lithuania | 5 | July | Butginas, Filomena, Karolina, Mantmile |
| Norway | 5 | July | Mina, Mirjam |
| Poland | 5 | July | Antoni, Bartłomiej, Filomena, Jakub, Karolina, Michał, Przybywoj, Szarlota, Wilhelm |
| Bulgaria | 6 | July | Avakum, Valentin, Valentina, Valya, Valia |
| Poland | 6 | July | Agrypina, Chociebor, Dominik, Dominika, Goar, Gotard, Lucja, Łucja, Niegosław |
| Greece | 7 | July | Kyriakos, Kiriaki, Kiki, Korina, Kitsos |
| Spain | 8 | July | Adrián, Edgar, Marina, Priscila |
| USA | 8 | July | Aquila, Aquilina, Easton, Kilian |
| Finland | 9 | July | Ilta, Jasmin, Jade, Nanna, Jasmiina |
| Italy | 10 | July | Rufina, Seconda |
| Lithuania | 10 | July | Amalija, Eirime, Gilvainas |
| Poland | 10 | July | Aleksander, Amelia, Aniela, Filip, January, Radziwoj, Rufina, Samson, Sylwan, Sylwana, Witalis |
| Poland | 11 | July | Benedykt, Cyprian, Kalina, Kallina, Kir, Olga, Pelagia, Pelagiusz, Pius, Placyd, Sawin, Wyszesława |
| USA | 11 | July | Alivia, Helga, Livia, Olga, Olive, Ollie, Oliver, Olivia, Quentin, Quincy, Quinn, Quintina, Quinton |
| Slovakia | 12 | July | Nina |
| Spain | 12 | July | Paulina, Oliverio |
| Czechia | 14 | July | Karolína |
| Poland | 14 | July | Bonawentura, Damian, Dobrogost, Franciszek, Izabela, Kosma, Marceli, Marcelin, Marcelina, Stella, Ulrych, Ulryk, Ulryka |
| Russia | 14 | July | Angelina |
| Estonia | 15 | July | Ragne, Raina, Raine, Raini |
| Estonia | 16 | July | Reinhold, Rinaldo, Rein, Reino, Reinu, Reinut, Ronald |
| Spain | 16 | July | Carmen, Marcelina, Generosa |
| Ukraine | 16 | July | Ruth, Valentina, Valia |
| Bulgaria | 17 | July | Marin, Marina, Marinela |
| Czechia | 17 | July | Martina |
| Greece | 17 | July | Marinos, Marina, Alexandra, Sandra |
| Latvia | 17 | July | Ainars, Aleksejs, Aleksis |
| Poland | 17 | July | Aleksander, Aleksy, Andrzej, Bogdan, Dzierżykraj, Januaria, Julietta, Leon, Marceli, Marcelina, Maria Magdalena |
| Lithuania | 18 | July | Eimante, Ervinas, Kamilis, Tautvilas |
| Poland | 18 | July | Arnold, Arnolf, Erwin, Erwina, Kamil, Karolina, Robert, Roberta, Szymon, Unisław, Wespazjan |
| Austria | 19 | July | Bernulf, Marina, Poppo, Reto |
| Croatia | 19 | July | Justa, Rufina, Zlatka |
| Austria | 20 | July | Apollinaris, Bernhard, Margaretha |
| Bulgaria | 20 | July | Iliya, Iliyana, Ilko, Ilina, Ilka, Lilo, Lila |
| France | 20 | July | Elie, Marina |
| USA | 20 | July | Edna, Edwin, Edwina, Elias, Elijah, Ellice, Elliot, Elliott, Ellis, Ellison, Neal, Neala, Neil, Neila, Nelson, Niall, Nigel, Niles |
| Lithuania | 21 | July | Danielius, Lionginas, Rimvydas, Rimvyde |
| Poland | 21 | July | Andrzej, Benedykt, Daniel, Paulina, Prakseda, Prokop, Stojsław, Wiktor, Wiktoriusz |
| Spain | 21 | July | Angelina, Angelines, Lorenza, Daniel, Julia |
| USA | 21 | July | Alma, Erna, Ernest, Ernestina, Ernesto, Ernie, Wesley, West, Westin, Westley, Weston |
| Latvia | 22 | July | Margita, Marija, Marika, Marina, Marisandra |
| Denmark | 23 | July | Apollinaris |
| Estonia | 23 | July | Senta, Saida, Seida, Siina |
| Lithuania | 23 | July | Apolinaras, Brigita, Gilmina, Tarvilas |
| Poland | 23 | July | Apolinary, Bogna, Żelisław |
| Ukraine | 23 | July | Apollinary |
| USA | 23 | July | Roma, Roman, Romaine, Romana, Romelia, Romeo, Romina, Seymour |
| Croatia | 24 | July | Kristina Bols., Mirjana |
| Denmark | 24 | July | Christina |
| Estonia | 24 | July | Kristiina, Kristina, Kristin, Krista, Kristi, Kristel, Kirsti, Kersti, Kerstin, Rista, Riste |
| Finland | 24 | July | Tiina, Kirsti, Kirsi, Kiia, Krista, Kristiina, Tinja |
| Greece | 24 | July | Christina |
| Italy | 24 | July | Cristina di Bolsena |
| Lithuania | 24 | July | Dargvilas, Dargvile, Kristina, Kristoforas |
| Spain | 24 | July | Cristina |
| Sweden | 24 | July | Kerstin, Kristina |
| USA | 24 | July | Amalia, Amelia, Boris, Chris, Christa, Christen, Christian, Christiana, Christie, Christin, Christina, Christine, Christy, Chrysta, Cristina, Cristian, Declan, Kiersten, Kirsten, Kirstie, Kirstin, Krista, Kristen, Kristian, Kristi, Kristin, Kristina, Kristine, Kristy, Kristyn, Maya |
| Austria | 25 | July | Jakobus, Thomas, Valentina |
| USA | 26 | July | Ana, Anika, Anissa, Anita, Aniya, Aniyah, Ann, Anna, Anne, Annette, Annie, Annika, Annis, Annmarie, Anson, Anya, Blake, Hanna, Hannah, Nancy, Nanette, Nina |
| Bulgaria | 27 | July | Dobra, Dobri, Dobrina, Dobrinka, Pancho, Panka, Kliment, Pantelei, Panko, Panto, Dobra |
| Poland | 27 | July | Alfons, Alfonsyna, Aureli, Julia, Laurenty, Lilla, Marta, Natalia, Natalis, Pantaleon, Rudolf, Rudolfa, Rudolfina, Wszebor |
| Lithuania | 28 | July | Ada, Augmina, Inocentas, Vytaras |
| Poland | 29 | July | Beatrice, Beatrycze, Beatryks, Cierpisław, Faustyn, Konstantyn, Lucylla, Maria, Marta, Olaf, Serafina, Urban |
| Russia | 29 | July | Alevtina, Valentina |
| Ukraine | 29 | July | Seraphim, Seraphina |
| USA | 29 | July | Bea, Beatrice, Beatriz, Beattie, Marta, Martha, Olaf, Serafina, Trixie |
| Russia | 30 | July | Margarita, Marina |
| Lithuania | 31 | July | Elena, Ignotas, Sanginas, Vykinte |
| Latvia | 1 | August | Albina, Albins, Dags, Jarmuts, Spekonis |
| Poland | 2 | August | Alfons, Alfonsyna, Borzysława, Gustaw, Ilia, Karina, Maria, Stefan |
| USA | 2 | August | Alf, Alfie, Alfonsina, Alfonso, Alford, Alfred, Alfreda, Alfredo, Alonso, Alonza, Alonzo, Alphonso, Fonzie |
| Hungary | 3 | August | Hermina |
| Hungary | 5 | August | Krisztina |
| Estonia | 6 | August | Laine, Laina, Lainela, Laini, Laive, Laivi |
| Hungary | 6 | August | Berta, Bettina |
| Lithuania | 6 | August | Bylotas, Daiva, Karolina |
| Slovakia | 6 | August | Jozefína |
| Lithuania | 8 | August | Daina, Domas, Dominykas, Elidijus, Gustavas, Taulgirdas |
| Slovakia | 12 | August | Darina |
| Bulgaria | 15 | August | Mara, Marian, Mariana, Maria, Mariyan, Masha, Mika, Mira, Mario, Despina, Panaiot |
| Greece | 15 | August | Mary, Marcy, Maria, Despina, Marios, Panagiotis, Panagiota, Simela, Crystal |
| USA | 16 | August | Craig, Kraig, Roch, Rochelle, Rochester, Rock, Rocky, Serena, Serenity, Serina |
| Austria | 18 | August | Claudia, Helena, Rainaki |
| Estonia | 18 | August | Heleene, Helene, Helena, Elina, Ilona, Helen, Hell, Hella, Helle, Hellen, Helli |
| USA | 18 | August | Aileen, Eileen, Elaina, Elaine, Eleanor, Elena, Eliana, Ella, Elle, Ellen, Ellie, Helen, Helena, Iliana, Lena, Leonora, Nell, Nellie, Nelly |
| Lithuania | 19 | August | Argaudas, Balys, Boleslovas, Tolvina |
| USA | 19 | August | Sade, Sadie, Salina, Sally, Sara, Sarah, Sarai, Sari, Sarina, Zarah |
| Lithuania | 20 | August | Bernardas, Neringa, Tolvinas |
| Latvia | 21 | August | Janina, Linda, Sidnejs |
| Poland | 21 | August | Adolf, Adolfa, Adolfina, Alf, Bernard, Emilian, Filipina, Franciszek, Joanna, Kazimiera, Męcimir |
| Austria | 22 | August | Regina |
| Croatia | 22 | August | BD Marija Kraljica, Regina, Vladislava |
| Latvia | 22 | August | Nadina, Rudite |
| Spain | 22 | August | Reina |
| Poland | 23 | August | Apolinary, Benicjusz, Filip, Laurenty, Sulirad, Walerian, Waleriana, Zacheusz |
| USA | 23 | August | Eugene, Eugenia, Geena, Gena, Gene, Genie, Gina, Jina, River, Zaccheus |
| Poland | 24 | August | Bartłomiej, Cieszymir, Jerzy, Joanna, Malina, Michalina |
| Lithuania | 26 | August | Aleksandras, Alginte, Gailius, Zefirinas |
| Lithuania | 28 | August | Augustinas, Patricija, Steigvile, Tarvilas |
| Poland | 28 | August | Adelina, Aleksander, Aleksy, Augustyn, Patrycja, Sobiesław, Stronisław |
| USA | 28 | August | Agustin, August, Augusta, Augustina, Austen, Austin, Austina, Austyn, Gus, Gustava, Gustavo |
| Croatia | 29 | August | Glavosijek Ivana Krstitelja, Sabina R. |
| Czechia | 29 | August | Evelína |
| Finland | 29 | August | Iina, Iines, Inari, Inna |
| Lithuania | 29 | August | Barvydas, Beatrice, Gaudvyde, Sabina |
| Poland | 29 | August | Flora, Jan, Racibor, Sabina |
| Spain | 29 | August | Sabina |
| USA | 29 | August | Candace, Candice, Poppy, Sabina, Sabra, Sabrina |
| Sweden | 30 | August | Albert, Albertina |
| Czechia | 31 | August | Pavlína |
| Poland | 31 | August | Bohdan, Paulina, Rajmund, Rajmunda, Świętosław |
| USA | 31 | August | Aden, Aidan, Aiden, Ayden, Edan, Edana, Eden, Edina, Egan, Egon |
| Greece | 1 | September | Simeon, Ourania, Penelope, Joshua, Mando, Clea, Aspasia, Antigoni, Margaret, Athina |
| Hungary | 2 | September | Rebeka, Dorina |
| Sweden | 2 | September | Justina, Justus |
| USA | 4 | September | Becky, Erin, Erina, Ida, Idalia, Moe, Moises, Moses, Moss, Reba, Rebecca, Rebekah |
| Denmark | 5 | September | Regina |
| Lithuania | 5 | September | Dingaile, Erdenis, Justina, Stanislova, Stase |
| Slovakia | 5 | September | Regína |
| Austria | 7 | September | Otto, Ralph, Regina |
| Czechia | 7 | September | Regína |
| Estonia | 7 | September | Regiina, Reina |
| Hungary | 7 | September | Regina |
| Italy | 7 | September | Regina |
| Latvia | 7 | September | Ermins, Regina, Valdone |
| Lithuania | 7 | September | Bartas, Barte, Palmira, Regina |
| Poland | 7 | September | Domasława, Domisława, Marek, Melchior, Regina, Rena, Ryszard |
| Spain | 7 | September | Regina |
| Sweden | 7 | September | Regina, Roy |
| USA | 7 | September | Raegan, Raina, Rana, Rani, Reagan, Regan, Regina, Regine, Yale |
| Greece | 8 | September | Despoina, Genethlios |
| Lithuania | 8 | September | Daumante, Klementina, Liaugaudas, Vytautas |
| USA | 8 | September | Adria, Adrian, Adriana, Adrianna, Adrien, Adrienne, Hadria, Hadrian, Hadrien, Joachim, Joakima, Joaquin, Joaquina |
| Slovakia | 9 | September | Martina |
| France | 12 | September | Apollinaire |
| Bulgaria | 14 | September | Krustan, Krustina, Krustyo, Krastan, Krastina, Krastyo, Kancho, Stavri, Krastyu, Krastena |
| Lithuania | 14 | September | Eisvina, Eisvinas, Krescencijus |
| Greece | 16 | September | Melina |
| Poland | 16 | September | Antym, Cyprian, Edda, Edyta, Eufemia, Eugenia, Franciszek, Jakobina, Kamila, Kornel, Lucja, Łucja, Sebastiana, Sędzisław, Wiktor, Wiktoriusz |
| Hungary | 19 | September | Vilhelmina |
| Lithuania | 19 | September | Girvinas, Vilhelmina, Vyte |
| Poland | 20 | September | Dionizy, Eustachiusz, Eustachy, Fausta, Faustyna, Filipina, Irena, Oleg, Ostap, Sozant |
| Czechia | 22 | September | Darina |
| Lithuania | 22 | September | Tarvinas, Tomas, Virmante |
| Italy | 23 | September | Lino, Pio da Pietralcina |
| Lithuania | 23 | September | Galintas, Galinte, Linas, Tekle |
| Spain | 23 | September | Tecla, Lina, Lino |
| Lithuania | 24 | September | Gedvinas, Gedvine, Gerardas |
| Hungary | 25 | September | Eufrozina, Kende |
| Hungary | 26 | September | Jusztina |
| Lithuania | 26 | September | Grazina, Juste, Justina, Kipras, Vydenis |
| Norway | 26 | September | Einar, Endre |
| Sweden | 26 | September | Einar, Enar |
| Lithuania | 29 | September | Gabrielius, Michalina, Mykolas, Mykole, Rapolas |
| Poland | 29 | September | Dadźbog, Franciszek, Michalina |
| Russia | 1 | October | Ariadna, Irina, Sofya |
| Ukraine | 2 | October | Cyprian, Justina |
| Lithuania | 3 | October | Alanta, Evaldas, Kristina, Milgintas |
| Finland | 4 | October | Saija, Saila, Sinna, Frans, Siina |
| Austria | 5 | October | Gallina, Herwig, Meinolf |
| Lithuania | 5 | October | Donata, Edvinas, Gilda, Palemonas, Placidas |
| Poland | 5 | October | Apolinary, Częstogniew, Donat, Donata, Faust, Fides, Flawia, Igor, Justyn, Konstancjusz, Konstans, Placyd |
| Austria | 7 | October | Jörg, Justina, Rosa Maria |
| Lithuania | 7 | October | Butrimas, Eivina, Justina, Renatas |
| Latvia | 8 | October | Aina, Anastasija, Aneta, Anita |
| Estonia | 9 | October | Riin, Riina, Riine, Mariina |
| Czechia | 10 | October | Marina |
| Lithuania | 11 | October | Daugvyde, Germanas, Rimdaugas, Zina, Zinaida |
| Slovakia | 11 | October | Valentína |
| Ukraine | 11 | October | Zinaida, Zina |
| Lithuania | 12 | October | Deiminte, Gantas, Salvinas |
| Finland | 13 | October | Taija, Taina, Tanja |
| Lithuania | 15 | October | Domante, Gailiminas, Leonardas, Terese |
| Poland | 16 | October | Ambroży, Aurelia, Dionizy, Florentyna, Galla, Gallina, Gaweł, Gerard, Gerarda, Gerhard, Grzegorz, Radzisław |
| Latvia | 17 | October | Gaitis, Gaits, Karina, Karola, Vita |
| Bulgaria | 18 | October | Zlatan, Zlatka, Zlatko, Zlatomir, Luka, Lukan, Zlata, Zlatina |
| Lithuania | 18 | October | Kesmina, Liubartas, Lukas |
| Latvia | 19 | October | Drosma, Drosme, Drosmis, Elina, Valts |
| Austria | 20 | October | Ira, Irina, Vitalis, Wendelin |
| Lithuania | 20 | October | Adele, Adelina, Gedas, Geimina |
| Poland | 21 | October | Bernard, Celina, Dobromił, Elżbieta, Hilary, Klemencja, Pelagia, Pelagiusz, Urszula, Wszebora |
| USA | 21 | October | Celina, Celine, Nobel, Selena, Selina, Ursula, Wanda, Wendall, Wendell, Wendy |
| Czechia | 22 | October | Sabina |
| Finland | 22 | October | Anita, Anja, Anniina, Nita, Anitta, Anette |
| Lithuania | 22 | October | Aliodija, Mingede, Severinas, Viltaras |
| Latvia | 23 | October | Daina, Dainis, Severins |
| Lithuania | 23 | October | Odilija, Ramvyde, Sanginas |
| USA | 23 | October | Fifi, Josefina, Josepha, Josephina, Josephine, Josie, Pepita |
| Czechia | 24 | October | Nina |
| Croatia | 25 | October | Katarina Kotromanic |
| Poland | 25 | October | Bończa, Bonifacy, Chryzant, Daria, Inga, Kryspin, Maur, Sambor, Taras, Teodozjusz, Wilhelmina |
| USA | 25 | October | Denzel, Crispin, Crispina, Gavin, Gawen |
| Bulgaria | 26 | October | Dimitrina, Dimitar, Dima, Dimo, Dragan, Mitko, Mitra, Dimana |
| Finland | 26 | October | Niina, Nina, Amanda, Manta, Ninni |
| Lithuania | 26 | October | Evaristas, Liaudginas, Minginte |
| Austria | 27 | October | Christa, Sabina, Wolfhard |
| Croatia | 27 | October | Sabina Avil., Gordana, Cvitko |
| Hungary | 27 | October | Szabina |
| Italy | 27 | October | Sabina |
| Lithuania | 27 | October | Ramojus, Sabina, Tautmile, Vincas, Vincentas |
| Poland | 27 | October | Frumencjusz, Iwona, Sabina, Siestrzemił, Wincenty |
| Slovakia | 27 | October | Sabína |
| Spain | 27 | October | Capitolina |
| Sweden | 27 | October | Sabina |
| Latvia | 28 | October | Antonina, Nina, Ninona, Zemgals |
| Greece | 29 | October | Melina |
| Poland | 29 | October | Euzebia, Franciszek, Longin, Longina, Lubogost, Narcyz, Teodor, Wioletta |
| Russia | 29 | October | Zinaida |
| Latvia | 30 | October | Algards, Nadina, Ratne, Ulla, Venera |
| Latvia | 31 | October | Rinalds, Smilga, Valts, Volfgangs |
| Poland | 31 | October | Alfons, Alfonsyna, Antoni, Antonina, August, Augusta, Godzimir, Godzisz, Lucylla, Łukasz, Saturnin, Saturnina, Urban, Wolfgang |
| Lithuania | 2 | November | Gedartas, Gedile, Valentinas, Valys |
| Lithuania | 4 | November | Eibartas, Karolis, Vaidmina |
| Spain | 4 | November | Carlos, Carlota, Carolina |
| USA | 4 | November | Amory, Cara, Carl, Carla, Carley, Carlo, Carlos, Carly, Carol, Carolina, Caroline, Carolyn, Carrie, Carroll, Charles, Charlie, Chaz, Chuck, Emery, Karl, Karla, Karlee, Karli, Karly |
| Latvia | 6 | November | Leo, Leonards, Leonhards, Leons, Linards |
| Austria | 7 | November | Carina, Engelbert, Willibrord |
| Lithuania | 7 | November | Ernestas, Gotaute, Karina, Sirtautas |
| Spain | 7 | November | Carina, Ernesto |
| Bulgaria | 8 | November | Angel, Angelina, Arhangel, Gavrail, Gavril, Emil, Emilia, Emiliana, Mihaela, Mihail, Ognyan, Ognyana, Plamen, Plamena, Rada, Radka, Radko, Rafail, Raia, Raika, Raina, Rangel, Emiliya, Emiliyana, Emiliyan, Lina, Mila, Milen, Milyo, Mihaela, Mihail, Radivoy, Radoslav, Radoslava, Radostin, Radostina, Raiko, Raycho, Rangel, Rafail, Raya, Rusi |
| Lithuania | 8 | November | Domante, Gotfridas, Severinas, Svirbutas |
| Ukraine | 8 | November | Michael, Michaelina, Raphael |
| Sweden | 10 | November | Martin, Martina |
| USA | 10 | November | Flora, Florence, Florian, Jocelina, Joceline, Jocelyn, Jocelyne, Jocelynn, Joselyn, Joslyn, Justice, Justin, Justina, Justine, Justus |
| Bulgaria | 11 | November | Viktor, Viktoriya, Minka, Mincho, Mina, Minko |
| Greece | 11 | November | Minas, Viktoros, Victor, Vic, Vincent |
| Ukraine | 11 | November | Mina, Stephania, Victor, Vincent |
| Lithuania | 12 | November | Alvile, Asmantas, Kristinas, Renata |
| Finland | 15 | November | Janina, Janika, Janita, Janette |
| Estonia | 17 | November | Heinar, Einar, Einari, Eino, Egon, Egil |
| Finland | 17 | November | Einari, Eino |
| Poland | 18 | November | Aniela, Cieszymysł, Filipina, Galezy, Klaudyna, Odo, Otto, Roman, Tomasz |
| Austria | 19 | November | Elisabeth, Bettina, Lisa |
| Latvia | 20 | November | Anda, Andina, Andis |
| Sweden | 20 | November | Marina, Pontus |
| Greece | 21 | November | Soultana, Despina, Maria, Virginia |
| Poland | 21 | November | Albert, Alberta, Albertyna, Janusz, Konrad, Konrada, Maria, Piotr, Regina, Rena, Rufus, Twardosław, Wiesław |
| Hungary | 23 | November | Kelemen, Klementina |
| Ukraine | 23 | November | Augusta, Augustina |
| USA | 23 | November | Clem, Clemence, Clement, Clementina, Clementine, Crecia, Lucrecia |
| Bulgaria | 24 | November | Ekaterina, Katerina, Katina, Katya, Iasna, Yasna, Tinka |
| Lithuania | 24 | November | Gerardas, Mantvinas, Zybarte |
| Poland | 24 | November | Dobrosław, Emilia, Emma, Flora, Franciszek, Gerard, Gerarda, Gerhard, Jan, Mina, Pęcisław, Protazy |
| Ukraine | 24 | November | Katherine, Katerina |
| Austria | 25 | November | Katharina, Kathrin, Katja |
| Bulgaria | 25 | November | Kliment, Klimentina |
| Croatia | 25 | November | Katarina Aleksandrijska |
| Czechia | 25 | November | Kateřina |
| Denmark | 25 | November | Catharina |
| Estonia | 25 | November | Katariina, Katrin, Katre, Katri, Kadrin, Kadri, Kadi, Kati, Kaarin, Karin, Triin, Triina, Triinu |
| Finland | 25 | November | Katri, Kaija, Katja, Kaisa, Kati, Kaarina, Kaisu, Katariina, Katriina, Riina |
| Germany | 25 | November | Katharina |
| Greece | 25 | November | Merkourios, Katerina, Catherine, Karen |
| Italy | 25 | November | Caterina d'Alessandria |
| Latvia | 25 | November | Kate, Katrina, Trine |
| Norway | 25 | November | Kari, Katarina, Katrine |
| Slovakia | 25 | November | Katarína |
| Sweden | 25 | November | Katarina, Katja |
| USA | 25 | November | Caitlin, Caitlyn, Carina, Caryn, Catherine, Cathleen, Cathy, Kaitlin, Kaitlynn, Kara, Karen, Kari, Karina, Kate, Katelyn, Katelynn, Katharine, Katherine, Kathleen, Kathryn, Kathy, Katie, Katrina, Treena, Trina, Trinity |
| Croatia | 28 | November | Jakov, Markijski, Katarina Laboure |
| Estonia | 28 | November | Laima, Raima, Niina |
| Greece | 28 | November | Irinarhos |
| Czechia | 29 | November | Zina |
| Lithuania | 29 | November | Butvyde, Daujotas, Saturninas |
| Poland | 29 | November | Błażej, Bolemysł, Fryderyk, Przemysł, Saturnin, Saturnina, Walter |
| Lithuania | 1 | December | Algmina, Butigeidas, Eligijus, Natalija |
| Lithuania | 2 | December | Aurelija, Milmante, Paulina, Svirgailas |
| Poland | 2 | December | Adria, Aurelia, Balbina, Bibianna, Paulina, Sulisław, Wiktoryn, Zbylut |
| USA | 4 | December | Ada, Adah, Adina, Aida, Babette, Barbara, Barbie, Barbra, Osman, Osmond |
| Bulgaria | 5 | December | Elisaveta, Sava, Savka, Svetoslav, Svetoslava, Slavi, Slavcho, Sabi, Savina, Stanislav |
| Croatia | 5 | December | Saba opat., Kristina, Sabina |
| Denmark | 5 | December | Sabina |
| Poland | 5 | December | Anastazy, Gerald, Geraldyna, Kryspina, Krystyna, Pęcisława, Saba |
| Spain | 5 | December | Crispina |
| Bulgaria | 6 | December | Nikola, Nikolai, Nina, Kolyo, Nenka, Niko, Nikolay, Nikolina, Nitza |
| Russia | 7 | December | Ekaterina |
| Lithuania | 8 | December | Gedminte, Guntilda, Vaidginas, Zenonas |
| Slovakia | 8 | December | Marína |
| Poland | 9 | December | Delfina, Joachim, Joachima, Leokadia, Loda, Waleria, Wielisława, Wiesław |
| USA | 9 | December | Delfina, Delfino, Delphina, Kirby, Kirk, Kirkwood |
| Austria | 10 | December | Angelina, Bruno, Emma |
| Hungary | 11 | December | Árpád, Árpádina |
| Bulgaria | 12 | December | Darina, Spiro, Spiridon |
| Lithuania | 14 | December | Alfredas, Kintvile, Tarvainas |
| Norway | 14 | December | Stein, Steinar |
| Austria | 15 | December | Carlo, Christiane, Nina |
| Croatia | 15 | December | Adela kr., Albina, Zorka |
| Poland | 15 | December | Celina, Fortunata, Iga, Ignacja, Ignacy, Krystiana, Nina, Walerian, Waleriana, Wolimir, Żegota |
| Spain | 15 | December | Fortunato, Cristina |
| Czechia | 16 | December | Albína |
| Lithuania | 16 | December | Albina, Alina, Audrone, Vygaudas |
| Poland | 16 | December | Adelajda, Ado, Albina, Alina, Ananiasz, Bean, Zdzisława |
| Slovakia | 16 | December | Albína |
| Spain | 16 | December | Albina |
| USA | 16 | December | Addie, Addy, Adela, Adelaide, Adele, Adeline, Adella, Adelle, Alena, Alina, Aline, Della |
| Denmark | 17 | December | Albina |
| USA | 18 | December | Griffin, Griffith, Ruff, Rufina, Rufus, Russ, Russell, Rusti, Rusty, Ty, Tyrus |
| Austria | 20 | December | Eike, Holger, Julius, Regina |
| Lithuania | 23 | December | Mina, Veliuona, Viktorija, Vilbutas |
| Poland | 23 | December | Dagobert, Mina, Sławomir, Sławomira, Wiktoria |
| Russia | 23 | December | Angelina |
| Finland | 24 | December | Aatami, Eeva, Eevi, Eveliina |
| Poland | 24 | December | Ada, Adam, Adamina, Adela, Ewa, Ewelin, Ewelina, Godzisława, Grzegorz, Grzymisława, Hermina, Herminia, Irma, Irmina, Zenobiusz |
| USA | 24 | December | Adan, Adana, Adam, Adamina, Addison, Ava, Eva, Eve, Evelyn |
| Austria | 25 | December | Anastasia, Eugenia, Josefina, Therese |
| Bulgaria | 25 | December | Hristina, Hristo, Kristina, Kristian, Kristiana, Emil, Itso, Icho, Mladen, Radoslav, Radoslava, Radomir, Radostin, Radostina, Hristofor |
| Greece | 25 | December | Christos, Chrisa, Chrisanthi, Christina, Chrisoula, Chrystalla, Christmas Day |
| USA | 27 | December | Adwin, Alvern, Alverna, Alvin, Alvina, Alwin, Elvin, Elvina, Elvira, Elvita, Elwin |
| Lithuania | 29 | December | Gaja, Gentvainas, Teofile |
| Russia | 29 | December | Marina |
| Ukraine | 29 | December | Georgina |
| Lithuania | 30 | December | Dovydas, Gedrime, Grazvilas, Irmina, Sabinas |
| Norway | 30 | December | David, Diana, Dina |
| Poland | 30 | December | Dawid, Dawida, Dionizy, Eugeniusz, Irmina, Katarzyna, Łazarz, Rainer, Sabin, Sewer, Uniedrog |
