| Country | Day | Month | Names |
 Bulgaria | 7 | January | Ivan, Ivaylo, Ivanka, Vanio, Vania, Encho, Enio, Zhan, Zhana, Ivayla, Ivelin, Ivelina, Ivet, Ivo, Yoan, Ioan, Ioana, Yonka, Yonko, Yoncho, Yoto, Kaloyan, Kaloian |
 Greece | 18 | January | Kyrillos, Thanassis, Theodoula |
| Greece | 22 | April | Nearhos, Nathanael, Megali Paraskeyi |
 Austria | 2 | May | Athanasius, Boris, Siegmund |
 Denmark | 2 | May | Athanasius |
 Finland | 24 | June | Johannes, Juhani, Jussi, Jani, Janne, Juha, Juhana, Juho, Jukka |
 USA | 24 | June | Hans, Giovanna, Giovanni, Ian, Ivan, Jan, Jana, Jean, Jeanette, Jeannette, Johan, John, Johnnie, Johnny, Juan, Juana, Juanita, Sean, Shana, Shane, Shanna, Yancy |
| USA | 13 | July | Ezra, Joel, Joelle, Mildred, Natalia, Natalie, Nataly, Natasha, Nathalie, Nathan, Nathanael, Nathania, Nathaniel, Tasha |
 Czechia | 21 | August | Johana |
| Bulgaria | 1 | December | Snezha, Snezhana, Sneja, Snejka |
