| Macgyver | Scottish surname derived from the Gaelic 'mac,' meaning 'son of' and 'Gyver,' meaning 'archer.' |
| Mackenze | Scottish surname derived from the Gaelic 'mac,' meaning 'son of' and 'Cen,' meaning 'fire' or 'passionate.' |
| Mackinney | God has heard me |
| Macklen | Scottish surname derived from the Gaelic 'mac,' meaning 'son of' and 'Clen,' meaning 'son of the cleric.' |
| Mackson | A short form of Maximulian |
| Maclain | Scottish form of Malcolm, meaning 'devoted to St. Columb' |
| Maclin | Scottish form of Malcolm, meaning 'devoted to St. Columb' |
| Maclovio | Spanish form of Maclovio, meaning 'blessed by God' |
| Macoy | Derived from Macoy, meaning 'son of the red-haired one' |
| Maddux | English surname derived from Maddox, meaning 'son of the son of Madoc' |
| Maddysen | Daughter of a mighty warrior |
| Madelin | A form of madeline |
| Madellyn | Woman from magdala |
| Madieu | French form of Matthew, meaning 'gift of God' |
| Madiina | From the name of the city of Medina in Saudi Arabia |
| Madisynn | Daughter of a mighty warrior |
| Madoline | A form of the name Madeline. |
| Madrigal | Spanish surname derived from Madrigal, meaning 'song or poem' |
| Madysen | A form of madison |
| Madysson | Daughter of a mighty warrior |
| Maeva | A name meaning she who welcomes. |
| Magara | Swahili name meaning 'gift' or 'present' |
| Magarethe | A name meaning a precious pearl. |
| Magaritha | A name meaning a small pearl. |
| Maggie Lyn | Beautiful child of light |
| Magor Missabib | Fear on every side |
| Magret | A classic name meaning a pearl. |
| Mahealani | A heavenly and beautiful moonlight. |
| Mahershalalhashbaz | Hebrew name meaning 'comforter, we have comforted, he has comforted' |
| Mahra | A name meaning moon or moonlight. |
| Mahulena | Woman from Magdala |
| Maiah | A name meaning mother or water. |
| Maicer | Spanish form of Maicer, meaning 'greater' |
| Mailey | A name of Irish origin meaning a prince. |
| Makaela | Derived from Michael, meaning 'who is like God?' |
| Makail | Derived from Michael, meaning 'who is like God?' |
| Makailey | Derived from Michael, meaning 'who is like God?' |
| Makaily | Derived from Michael, meaning 'who is like God?' |
| Makalla | Resembling myrtle |
| Makenah | One who is born of the heavens. |