Ema's name day is observed on January 23rd and April 19th in Croatia, January 30th in Slovakia, and April 8th in Czechia. Additionally, the name is celebrated on June 27th and December 28th in Lithuania.
Ema is a feminine name deeply rooted in Germanic tradition, where its meaning relates to the concept of "universal" or "whole." Historically, in the USA, Ema serves as a distinctive, less conventional spelling of the highly popular name Emma. This classic variation carries a strong but streamlined appeal, projecting a mood that is elegantly soft and sophisticated. Its short, two-syllable structure contributes to a timeless vibe, making it feel both established and modern. Worldwide, Ema is exclusively recognized as a female given name.
| Country | Day | Month | Names |
 Greece | 1 | January | Vasilis, Vasiliki, Koula, Basil, Bill, Tilemahos |
 Spain | 1 | January | Manuel, Emanuel, Jesús |
 USA | 30 | January | Franklin, Franklyn, Freeman, Fremont, Marteena, Martina, Martine |
 Lithuania | 2 | February | Kantvydas, Rytis, Valdemaras, Vandene |
| USA | 25 | February | Artema, Artemis, Welden, Weldon |
 Bulgaria | 7 | March | Bozhan, Bozhidar, Bozhidara, Bozhil, Bozhko, Emanuil, Manol, Mancho, Teodor, Teodora, Toto, Todor, Teodor, Todora, Dora, Bogdan, Bogdana |
 Croatia | 26 | March | Montan, Maksima, Emanuel |
 Czechia | 26 | March | Emanuel |
 Hungary | 26 | March | Emánuel |
 Italy | 26 | March | Emanuele, Teodoro |
 Latvia | 26 | March | Dabrelis, Eizenija, Emanuels, Zenija |
| Lithuania | 26 | March | Arbutas, Emanuelis, Feliksas, Tekle, Vydmante |
 Poland | 26 | March | Emanuel, Feliks, Larysa, Manuela, Nikifor, Teodor, Tworzymir |
 Slovakia | 26 | March | Emanuel |
 Sweden | 26 | March | Emanuel |
| Spain | 11 | April | Gema, Oria, Estanislao |
 Estonia | 18 | April | Valdemar, Voldemar, Valdek, Valdeko, Valdo, Valdu, Valdur, Valmar, Valmer, Volmer, Volli |
 Finland | 18 | April | Valdemar, Valto |
| Sweden | 18 | April | Valdemar, Volmar |
| USA | 26 | April | Clarence, DeMarco, Demarcus, Demario |
| Poland | 5 | May | Irena, Ita, Pius, Teodor, Waldemar, Zdzibor |
| Czechia | 27 | May | Valdemar |
| Sweden | 3 | June | Gudmar, Ingemar |
| USA | 9 | June | Cole, Coleman, Colman, Dean, Deana, Deanna, Dee, Dena, Diana, Diane, Dianna, Dianne, Dyane, Prima, Primavera |
| USA | 17 | June | Alcine, Botolf, Harvey, Hervey, Lamar, Lemar |
| USA | 10 | July | Emanuel, Emmanuel, Gage, Immanuel, Manuel, Manuela |
 Austria | 15 | July | Bonaventura, Egon, Waldemar |
| USA | 30 | August | Raisa, Rhoda, Rosa, Rosabelle, Rosalie, Rosalind, Rosalinda, Roseanne, Rose, Rosemary, Rosetta, Rosie |
| Lithuania | 4 | September | Gemante, Girstautas, Rozalija, Roze |
| Lithuania | 15 | September | Eugenija, Nikodemas, Rimgaile, Vismantas |
| Poland | 6 | December | Dionizja, Emilian, Jarema, Jarogniew, Mikołaj |
| Latvia | 11 | December | Valdemars, Valdis, Voldemars |
| Poland | 11 | December | Damazy, Daniela, Julia, Stefan, Waldemar, Wojmir |
 Norway | 22 | December | Ingar, Ingemar |