| Name | Meaning | Gender |
|---|
| Marius | Male, Virile | Boy |
| Marje | Pearl | Girl |
| Marjeta | Pearl | Girl |
| Marjorie | Pearl | Girl |
| Marjory | Pearl | Girl |
| Mark | Horse | Boy |
| Marko | War like, Defense, Of the Sea | Boy |
| Markus | War like, Defense, Of the Sea | Boy |
| Marla | Beloved of Magdala | Girl |
| Marlee | Beloved of Magdala | Girl |
| Marleen | Beloved of Magdala | Girl |
| Marlen | Warrior, One of the Sea | Boy |
| Marlena | Beloved of Magdala | Girl |
| Marlene | Beloved of Magdala | Girl |
| Marley | Beloved of Magdala | Girl |
| Marlie | Beloved of Magdala | Girl |
| Marlin | Sea Fort | Boy |
| Marlon | Warrior, One of the Sea | Boy |
| Marlowe | Lake remnants | Boy |
| Marly | Beloved of Magdala | Girl |
| Marlyn | Beloved Lake | Girl |
| Marmaduke | Devotee | Boy |
| Marni | Of the Sea | Girl |
| Marnie | Of the Sea | Girl |
| Marquis | | Boy |
| Marquise | Governor of a border country | Boy |
| Marsha | War like, Defense, Of the Sea | Girl |
| Marshal | Horse keeper, Shoeing smith | Boy |
| Marshall | Horse keeper, Shoeing smith | Boy |
| Marshan | Defense, Of the Sea, Favor, Grace | Girl |
| Marta | Lady, Mistress | Girl |
| Martand | Sun | Boy |
| Martanda | Sun | Boy |
| Martha | Lady, Mistress | Girl |
| Martial | Like Mars, Roman God Mars | Boy |
| Martie | Like Mars, Roman God Mars | Boy |
| Martin | Like Mars, Roman God Mars | Boy |
| Martina | Like Mars, Roman God Mars | Girl |
| Marty | Like Mars, Roman God Mars | Boy |
| Marva | Marrow Eminent | Girl |
| Marvin | Marrow Eminent | Boy |
| Marvyn | Marrow Eminent | Boy |
| Mary | Beloved | Girl |
| Marya | Mark, Limit | Girl |
| Maryann | Beloved Favor | Girl |
| Maryanna | Beloved Favor | Girl |
| Maryanne | Beloved Favor | Girl |
| Marybeth | Beloved Favor | Girl |
| Marylou | Beloved Favor | Girl |
| Marylu | Beloved famous warrior | Girl |
| Marylyn | Beloved Lake | Girl |
| Maryvonne | Beloved Yew Tree | Girl |
| Mason | Mason, Stone worker | Boy |
| Masterman | Man of the master, Retainer, Servant | Boy |
| Masum | Innocent | Girl |
| Mat | Gift of God | Boy |
| Matania | Gift of God | Boy |
| Mathew | Gift of God | Boy |
| Mathias | Gift of God | Boy |
| Mathilda | Mighty in battle | Girl |
| Matilda | Mighty in battle | Girl |
| Matilde | | Girl |