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January |  Austria | Agritius, Marius, Martha, Pia |  Croatia | Ljiljana, Makarije, Mario, Marta |  Czechia | Doubravka |  Denmark | Pontianus |  Estonia | Enn, Enno, Eno, Heigo, Heik, Heiki, Heiko, Heino, Hendrik, Henn, Henno, Henri, Henrik |  Finland | Heikki, Henna, Henni, Henri, Henriikka, Henrik, Henrikki |  France | Marius |  Greece | Makarios |  Hungary | Márió, Sára |  Italy | Liberata, Mario |  Latvia | Alnis, Andulis |  Lithuania | Gedvilė, Marijus, Morta, Raivedys |  Norway | Margunn, Marius |  Poland | Andrzej, Bernard, Erwin, Erwina, Eufemia, Henryk, Kanut, Mariusz, Marta, Matylda, Mechtylda, Pia, Racimir, Sara |  Romania | Macarie |  Russia | Lidia, Maria |  Slovakia | Drahomíra |  Spain | Arsenio, Mario |  Sweden | Henrik |
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