Cyriak: Name day
Name Day List: Cyriak
| Country | Day | Month | Names |
 Poland | 16 | March | Abraham, Cyriak, Henryka, Herbert, Hiacynt, Hilary, Izabela, Oktawia |
| Poland | 5 | August | Cyriak, Emil, Karolin, Maria, Nonna, Oswald, Oswalda, Stanisława |
 Austria | 8 | August | Cyriak, Dominik, Elgar |
| Poland | 8 | August | Cyprian, Cyriak, Cyryl, Emil, Emilian, Emiliusz, Niezamysł, Olech, Sylwiusz |
| Poland | 12 | October | Cyriak, Eustachiusz, Eustachy, Grzymisław, Maksymilian, Ostap, Salwin, Serafin, Witold, Witołd, Witolda |
Name Day List - similar names (Cyriak)
| Country | Day | Month | Names |
| Poland | 20 | March | Aleksander, Aleksandra, Ambroży, Anatol, Bogusław, Cyriaka, Eufemia, Klaudia, Patrycjusz, Ruprecht, Wasyl, Wincenty |