| Country | Day | Month | Names |
 Spain | 18 | January | Florida, Beatriz, Mario, Pia |
 Croatia | 19 | January | Mario, Ljiljana, Marta |
 Slovakia | 19 | January | Mário, Drahomíra |
| Spain | 19 | January | Mario, Vicente, Sebastián |
 Italy | 20 | January | Mario e fam. |
 USA | 25 | January | Amari, Amir, Amira, Amarion, Gwayne, Hakon, Hawk, Jamari, Prince, Princess |
 Greece | 13 | March | Leandros, Marios |
 Poland | 25 | March | Dyzma, Ireneusz, Lucja, Łucja, Lutomysł, Maria, Mariola, Wieńczysław |
| USA | 25 | April | Marc, Marcel, Marcella, Marcia, Marcila, Marco, Marcos, Marcus, Marcy, Maricela, Mario, Marisol, Mark, Markus, Marsha |
| USA | 26 | April | Clarence, DeMarco, Demarcus, Demario |
| Poland | 3 | May | Aleksander, Antonina, Maria, Mariola, Świętosława |
| USA | 20 | June | Earl, Earline, Errol, Fatima, Ofelia, Omar, Omarion, Ophelia |
 Austria | 23 | June | Edeltraud, Marion, Ortrud |
 Latvia | 27 | July | Dita, Mariona, Marta |
 Bulgaria | 15 | August | Mara, Marian, Mariana, Maria, Mariyan, Masha, Mika, Mira, Mario, Despina, Panaiot |
| Greece | 15 | August | Mary, Marcy, Maria, Despina, Marios, Panagiotis, Panagiota, Simela, Crystal |
 Norway | 8 | December | Marion, Marlene, Morgan |
 Estonia | 19 | December | Maarius, Mario, Mairo |
Hungary