Eline's name day is observed on July 31st in Norway.
The name Eline is a traditionally feminine choice derived largely from names associated with light or nobility. In the United States, Eline maintains a rare profile, providing a distinctive alternative to common names, contrasting its established status in North European countries. Its history in the US is modest, rarely breaching the top popularity charts. The tone of Eline is distinctly elegant, projecting a sophisticated and gentle mood. It is consistently recognized worldwide as a female given name, affirming its graceful identity. This strong European heritage offers a refined character for modern usage.
| Country | Day | Month | Names |
 USA | 4 | January | Angel, Angela, Angelica, Angelina, Angeline, Angelique, Angelo, Angie, Dangelo, Deangelo, Lewis, Lou, Louie, Louis, Luis |
 France | 17 | January | Roseline |
| France | 8 | February | Jacqueline |
 Norway | 21 | February | Celine, Samuel, Selma |
 Latvia | 26 | February | Evelina, Eveline, Metra |
| USA | 25 | May | Madalyn, Madeleine, Madeline, Madelyn, Madilyn, Marlee, Marleen, Marlena, Marlene, Marley |
| Latvia | 8 | July | Ada, Adele, Adeline, Antra |
| France | 19 | July | Arsène, Micheline |
 Spain | 21 | July | Angelina, Angelines, Lorenza, Daniel, Julia |
| USA | 25 | July | Coby, Colby, Diego, Israel, Jack, Jackie, Jackson, Jaclyn, Jacob, Jacoby, Jacqueline, Jacquelyn, Jacques, Jaime, Jake, Jakob, James, Jameson, Jamie, Jaquan, Jaqueline, Jaxon, Jaxson, Jim, Jimena, Jimmie, Jimmy, Kobe, Koby, Kolby, Santiago |
| France | 21 | August | Christophe, Grâce, Ombeline |
| France | 8 | September | Adrien, Béline, Nativité |
| USA | 29 | September | Carmichael, Mia, Micaela, Micah, Michael, Michaela, Micheal, Michele, Micheline, Michelle, Mickey, Miguel, Mikaela, Mikala, Mikayla, Mike, Mikel, Mitch, Mitchel, Mitchell |
| France | 20 | October | Adeline, Aline |
| France | 21 | October | Céline, Ursule |
| USA | 21 | October | Celina, Celine, Nobel, Selena, Selina, Ursula, Wanda, Wendall, Wendell, Wendy |
| France | 27 | October | Emeline |
| USA | 10 | November | Flora, Florence, Florian, Jocelina, Joceline, Jocelyn, Jocelyne, Jocelynn, Joselyn, Joslyn, Justice, Justin, Justina, Justine, Justus |
 Ukraine | 10 | December | Angeline, Marian |
| USA | 16 | December | Addie, Addy, Adela, Adelaide, Adele, Adeline, Adella, Adelle, Alena, Alina, Aline, Della |