| Country | Day | Month | Names |
 USA | 2 | January | Abel, Abelard, Abella, Abner, Marsten, Marston, Raven |
 Norway | 26 | January | Esten, Eystein, Øystein |
 Sweden | 23 | February | Torsten, Torun |
| Norway | 14 | May | Karsten, Kristen, Kristian |
| 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 |
| Sweden | 26 | August | Östen |
| USA | 28 | August | Agustin, August, Augusta, Augustina, Austen, Austin, Austina, Austyn, Gus, Gustava, Gustavo |
 Bulgaria | 14 | September | Krustan, Krustina, Krustyo, Krastan, Krastina, Krastyo, Kancho, Stavri, Krastyu, Krastena |
| Norway | 13 | November | Kirsten, Kirsti |
| USA | 19 | December | Daria, Darian, Darien, Dario, Darion, Darius, Haysten |
| USA | 22 | December | Asta, Astrid, Trista, Tristan, Tristen, Tristin, Triston |
Estonia