- Mace
- MacFarlane
- Macgregor
- Machcinski
- MacIntire
- Mack
- Mackall
- Mackay
- MacKenzie
- Mackey
- Mackie
- Mackley
- Maclachlau
- Maclay
- MacLean
- MacLennan
- MacMaster
- MacMillan
- MacQueen
- Macy
- Madden
- Maddox
- Madigan
- Madison
- Madlicott
- Madsen
- Magary
- Magie
- Magiles
- Magoon
- Mahaffey
- Mahan
- Maher
- Mahieu
- Mahoney
- Maidret
- Maier
- Main
- Mainardi
- Maisenbacher
- Maish
- Major
- Maland
- Malaxa
- Maldt
- Male
- Maleski
- Malloch
- Mallory
- Malone
- Malzahn
- Manchester
- Mandeville
- Manger
- Manley
- Manly
- Mann
- Manning
- Manoogian
- Mansfeld
- Mansfield
- Mantello
- Manzer
- Maples
- March
- Marcks
- Marcott
- Marcus
- Marcy
- Marden