| Country | Day | Month | Names |
 Austria | 30 | January | Adelgunde, Martina |
 Denmark | 30 | January | Adelgunde |
 Poland | 30 | January | Adelajda, Feliks, Gerard, Gerarda, Gerhard, Hiacynta, Maciej, Marcin, Martyna, Sebastian |
 Spain | 3 | February | Oscar, Blas, Adelina |
| Poland | 5 | February | Adelajda, Aga, Agata, Albin, Izydor, Jakub, Jan, Justynian, Paweł, Piotr, Strzeżysława |
 Latvia | 18 | March | Adelina, Ilona, Razna, Sartite |
 USA | 21 | May | Adelric, Adiel, Audric, Keaton, Kendrick |
| USA | 25 | May | Madalyn, Madeleine, Madeline, Madelyn, Madilyn, Marlee, Marleen, Marlena, Marlene, Marley |
 Lithuania | 30 | June | Adele, Emilija, Liucina, Novile, Tautginas |
| Latvia | 8 | July | Ada, Adele, Adeline, Antra |
 France | 22 | July | Madeleine, Wandrille |
 Sweden | 22 | July | Madeleine, Magdalena |
| Austria | 28 | July | Adele, Ada, Bantus, Beatus, Innozenz |
| USA | 13 | August | Rad, Radella, Radford, Radley, Wilmer |
| Austria | 28 | August | Adelinde, Aline, Augustin |
| Poland | 28 | August | Adelina, Aleksander, Aleksy, Augustyn, Patrycja, Sobiesław, Stronisław |
 Czechia | 2 | September | Adéla |
| Sweden | 5 | September | Adela, Heidi |
| Spain | 8 | September | Adela, Meritxell, Nuria |
| France | 11 | September | Adelphe, Glenn, Vinciane |
| France | 20 | October | Adeline, Aline |
| Lithuania | 20 | October | Adele, Adelina, Gedas, Geimina |
| USA | 21 | November | Cade, Cadell, Cadence, Caden, Caiden, Cayden, Kade, Kaden, Kadence, Kadin, Kadyn, Kaiden, Kayden, Kaydence, Valda, Velda |
| Lithuania | 23 | November | Adele, Doviltas, Klemensas, Liubarte |
| Poland | 23 | November | Adela, Erast, Felicyta, Klemens, Klementyn, Orestes, Przedwoj |
| Spain | 1 | December | Adelaida, Eloy, Hugo |
| Poland | 12 | December | Adelajda, Aleksander, Dagmara, Paramon, Suliwoj |
 Croatia | 15 | December | Adela kr., Albina, Zorka |
| Austria | 16 | December | Adelheid, Heidi, Elke |
 Estonia | 16 | December | Adelheid, Adeele, Ethel, Aade, Aale, Teele, Haide, Aliide, Liide |
 Finland | 16 | December | Auli, Aulikki, Aada, Adele |
 Germany | 16 | December | Adelheid |
 Italy | 16 | December | Adelaide |
| Poland | 16 | December | Adelajda, Ado, Albina, Alina, Ananiasz, Bean, Zdzisława |
| USA | 16 | December | Addie, Addy, Adela, Adelaide, Adele, Adeline, Adella, Adelle, Alena, Alina, Aline, Della |
| France | 17 | December | Adélaïde, Gaël, Judicaël, Olympe |
 Slovakia | 22 | December | Adela |
| France | 24 | December | Adèle |
| Poland | 24 | December | Ada, Adam, Adamina, Adela, Ewa, Ewelin, Ewelina, Godzisława, Grzegorz, Grzymisława, Hermina, Herminia, Irma, Irmina, Zenobiusz |
Hungary