| Name | Meaning | Gender | Origin |
|---|
| Marje | Pearl | Girl | |
| Marjeta | Pearl | Girl | Slovak |
| Marjorie | Pearl | Girl | |
| Marjory | Pearl | Girl | |
| Mark | Horse | Boy | Welsh |
| Marko | War like, Defense, Of the Sea | Boy | |
| Markus | War like, Defense, Of the Sea | Boy | Latin |
| 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 | Latin |
| Marlene | Beloved of Magdala | Girl | German |
| 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 | Irish |
| Marni | Of the Sea | Girl | |
| Marnie | Of the Sea | Girl | |
| Marquis | | Boy | French |
| 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 | French |
| Marshan | Defense, Of the Sea, Favor, Grace | Girl | |
| Marta | Lady, Mistress | Girl | Italian |
| Martha | Lady, Mistress | Girl | Greek |
| Martial | Like Mars, Roman God Mars | Boy | Roman |
| Martie | Like Mars, Roman God Mars | Boy | |
| Martin | Like Mars, Roman God Mars | Boy | Latin |
| Martina | Like Mars, Roman God Mars | Girl | Latin |
| Marty | Like Mars, Roman God Mars | Boy | |
| Marva | Marrow Eminent | Girl | |
| Marvin | Marrow Eminent | Boy | |
| Marvyn | Marrow Eminent | Boy | |
| Mary | Beloved | Girl | French |
| 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 | French |
| Masterman | Man of the master, Retainer, Servant | Boy | |
| 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 | Latin |
| Matilda | Mighty in battle | Girl | Latin |
| Matt | Gift of God | Boy | |
| Mattaniah | Gift of God | Boy | Hebrew |
| Mattathiah | Gift of God | Boy | Greek |
| Matthew | Gift of God | Boy | French |
| Matthias | Gift of God | Boy | Greek |
| Mattie | Gift of God, Mighty in battle | Unisex | |