| Name | Meaning |
| • Mafarlane | Son Of Farlane |
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| • Maitland | Meadowland |
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| • Malden | Meeting Place In A Pasture |
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| • Malin | Strong, Little Warrior |
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| • Manford | Manford |
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| • Manley | Hero's Meadow |
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| • Manning | Son Of The Hero |
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| • Mansel | Manse; House Occupied By A Clergyman |
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| • Mansfield | Field By The River; Hero's Field |
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| • Manton | Man's Town; Hero's Town |
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| • March | Dweller By A Boundary |
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| • Marden | Valley With A Pool |
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| • Markham | Homestead On The Boundary |
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| • Marland | Lake Land |
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| • Marley | Lake Meadow |
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| • Marlin | Deep-sea Fish |
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| • Marlo | A Form Of Marlow |
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| • Marlow | Hill By The Lake |
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| • Marsden | Marsh Valley |
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| • Marsh | Swamp Land |
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| • Marston | Town By The Marsh |
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| • Martel | A Form Of Martell |
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| • Martell | Hammerer |
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| • Marv | A Short Form Of Marvin |
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| • Marvin | Lover Of The Sea |
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| • Marwood | Forest Pond |
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| • Massey | Twin |
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| • Mather | Powerful Army |
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| • Maxfield | Mack's Field |
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| • Maxwell | Great Well. |
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| • Maxy | A Familiar Form Of Max, Maxwell |
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| • Mayes | Field |
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| • Mayhew | A Form Of Matthew |
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| • Maynard | Powerful, Brave. |
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| • Maynor | A Form Of Maynard |
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| • Mead | Meadow |
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| • Medric | Flourishing Meadow |
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| • Mel | A Familiar Form Of Melvin |
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| • Melbourne | Mill Stream |
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| • Meldon | Mill Hill |
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| • Meldrick | Strong Mill |
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| • Melvin | Mill Friend; Council Friend |
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| • Mendel | Repairman |
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| • Mercer | Storekeeper |
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| • Merivale | Pleasant Valley |
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| • Merlin | Falcon. |
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| • Mickel | A Form Of Michael |
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| • Milborough | Middle Borough |
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| • Milburn | Stream By The Mill |
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| • Milford | Mill By The Ford |
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| • Miller | Miller; Grain Grinder |
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| • Mills | Mills |
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| • Milt | A Short Form Of Milton |
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| • Milton | Mill Town. |
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| • Miner | Miner |
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| • Mister | Mister |
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| • Mitchel | A Form Of Mitchell |
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| • Mitchell | A Form Of Michael |
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| • Mith | A Short Form Of Mitchell |
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| • Moe | A Short Form Of Moses |
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| • Montgomery | Rich Man's Mountain. |
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| • Monty | A Familiar Form Of Montgomery |
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| • Moreland | Moor; Marshland |
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| • Morley | Meadow By The Moor |
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| • Morse | Son Of Maurice |
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| • Morton | Literally Town Near The Moor. |
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| • Myer | A Form Of Meir |
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