| Name | Meaning | Gender | Origin |
|---|
| Marshal | Horse keeper, Shoeing smith | Boy | |
| Marshall | Horse keeper, Shoeing smith | Boy | French |
| Martial | Like Mars, Roman God Mars | Boy | Roman |
| Martie | Like Mars, Roman God Mars | Boy | |
| Martin | Like Mars, Roman God Mars | Boy | Latin |
| Marty | Like Mars, Roman God Mars | Boy | |
| Marvin | Marrow Eminent | Boy | |
| Marvyn | Marrow Eminent | Boy | |
| 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 | |
| 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 | |
| Mattithiah | Gift of God, Mighty in battle | Boy | Hebrew |
| Maurice | Dark Skinned, Moor | Boy | Roman |
| Maverick | Unbranded range animal | Boy | |
| Max | The Greatest | Boy | |
| Maximilian | The Greatest | Boy | Latin |
| Maximillian | The Greatest | Boy | |
| Maxwell | The stream of mack | Boy | |
| Maynard | Strong and hardy | Boy | Norman |
| Maynerd | Strong and hardy | Boy | |
| Mayson | Stone worker | Boy | |
| Mckenzie | Comely, Finely made | Unisex | |
| Mead | One who lives by a meadow | Unisex | |
| Meade | One who lives by a meadow | Unisex | |
| Medad | Love | Boy | Hebrew |
| Meed | One who lives by a meadow | Unisex | |
| Mel | English names beginning with - Mel | Unisex | |
| Melbourne | Mill and burne stream | Boy | |
| Melech | King | Boy | Hebrew |
| Melville | Bad Settlement, Gentle Chieftain | Boy | Scottish |
| Melvin | Bad Settlement, Gentle Chieftain | Boy | |
| Melvyn | Bad Settlement, Gentle Chieftain | Boy | |
| Menahem | Comforter | Boy | Hebrew |
| Merari | Bitter, Unhappy | Boy | Hebrew |
| Meredith | Sea Lord, Sea Sun | Unisex | |
| Merideth | Sea Lord, Sea Sun | Unisex | |
| Merit | Deserving, Beloved | Unisex | Latin |
| Merla | Blackbird | Unisex | |
| Merle | Blackbird | Unisex | |
| Merletta | Blackbird | Unisex | |
| Merlin | Sea Fort | Boy | Latin |
| Merlyn | Sea Fort | Unisex | |
| Merrick | Famous Power | Boy | French |
| Merrill | Sea bright | Unisex | |
| Merritt | Boundary Gate | Unisex | |
| Merton | Lake settlement | Boy | |
| Merv | Marrow Eminent | Boy | |
| Mervin | Marrow Eminent | Boy | |
| Mervyn | Marrow Eminent | Boy | Welsh |
| Meryl | Sea bright | Unisex | |
| Mesech | To Draw | Boy | Hebrew |
| Meshech | To Draw | Boy | Hebrew |
| Methusael | Man of God | Boy | Hebrew |