Ivi's name day is December 24 in Estonia.
Ivi is a rare and elegant feminine name that draws its origins from the evergreen plant, signifying growth and resilience. While it is not widely used in the United States, it maintains a steady and recognized presence in Estonia and Northern Europe. The name carries a soft, nature-like, and sophisticated tone, making it feel both classic and modern. Because of its brevity and pleasant sound, it is favored by those who appreciate minimalist naming styles. Globally, it remains firmly established as a girl's name, reflecting a balance of historical charm and natural beauty. Its history is tied to linguistic traditions that emphasize simplicity and botanical symbolism.
| Country | Day | Month | Names |
 Lithuania | 24 | January | Arturas, Felicija, Gaivile, Marvydas, Sarunas, Vilgaudas |
| Lithuania | 6 | February | Alkis, Darata, Titas, Zivile |
 Hungary | 12 | February | Lídia, Lívia |
 Slovakia | 20 | February | Lívia |
 Sweden | 20 | February | Vivianne |
 Latvia | 27 | February | Andra, Daiva, Liva, Livija |
 Austria | 5 | March | Dietmar, Jeremia, Olivia |
 France | 5 | March | Olivia |
 Greece | 9 | March | Aetios, Eliana, Vivianos, Sarantos |
| France | 10 | March | Vivien |
| Latvia | 12 | March | Aija, Aiva, Aivis, Ausmins, Gregors |
 Italy | 4 | April | Isidoro di Siviglia |
| France | 14 | April | Ludivine, Maxime |
| Sweden | 15 | April | Oliver, Olivia |
 Estonia | 16 | April | Olivia, Olvi, Olve |
| Latvia | 17 | April | Rudis, Rudolfs, Viviana |
 Norway | 28 | April | Vivi, Vivian |
 Finland | 2 | May | Viivi, Vuokko, Viivi |
| Finland | 29 | May | Oiva, Oliver, Olivia, Livia |
| Latvia | 29 | May | Daris, Maksine, Maksis, Raivis, Raivo |
| Estonia | 2 | June | Viivia, Vivian, Viiva, Viive, Viivi, Viivika, Veevi |
| Estonia | 16 | June | Päive, Päivi, Heelia |
| Finland | 16 | June | Päivi, Päivikki, Päivä |
| Estonia | 19 | June | Sigrid, Siiri, Siivi |
| Italy | 24 | June | Giovanni Battista (natività) |
| Lithuania | 24 | June | Eiviltas, Eivilte, Jonas |
| Finland | 30 | June | Päiviö, Päiviö |
| Estonia | 9 | July | Aive, Aivi |
| Latvia | 10 | July | Lielvardis, Lija, Olivija, Uve |
 USA | 11 | July | Alivia, Helga, Livia, Olga, Olive, Ollie, Oliver, Olivia, Quentin, Quincy, Quinn, Quintina, Quinton |
| France | 12 | July | Jason, Olivier |
 Croatia | 4 | August | Ivan M. Vianney, Ivica, Tertulijan |
| Estonia | 6 | August | Laine, Laina, Lainela, Laini, Laive, Laivi |
| Norway | 26 | August | Eivind, Even, Øyvind |
| Austria | 27 | August | Gebhard, Monika, Vivian |
| Estonia | 2 | September | Maive, Maivi, Taive, Taivi |
| Greece | 6 | September | Vivos, Vivi |
| France | 8 | September | Adrien, Béline, Nativité |
| Hungary | 23 | September | Tekla, Líviusz |
 Czechia | 2 | October | Olivie, Oliver |
| Lithuania | 7 | October | Butrimas, Eivina, Justina, Renatas |
| Lithuania | 8 | October | Brigita, Daugas, Demetras, Gaivile |
| Estonia | 15 | October | Hedvig, Heda, Hedi, Hädi, Eda, Ede, Heidi, Heivi, Häidi |
| Estonia | 23 | October | Liivia, Liivi, Liivika, Leevi |
| Latvia | 2 | November | Anlize, Dzile, Ritums, Vivita |
| Austria | 13 | November | Eugen, Livia, Stanislaus |
| Finland | 24 | November | Lempi, Lemmikki, Sivi |
| France | 2 | December | Viviane |
| Hungary | 2 | December | Melinda, Vivien |
| USA | 2 | December | Tayler, Taylor, Todd, Vita, Vivian, Viviana |
| Lithuania | 13 | December | Eivilte, Kastautas, Kastytis, Liucija, Otilija |
| Slovakia | 15 | December | Ivica |
| Austria | 17 | December | Jolanda, Lazarus, Viviana |
| Lithuania | 18 | December | Eivile, Girdvilas, Gracijus |
 Spain | 25 | December | Belén, Eugenia, Natividad |
| Latvia | 28 | December | Inga, Ivita, Jonatans, Mierins |