- M
- Maas
- Maberry
- Mabray
- Mabry
- mac Donnchadh,
- Macculla
- MacDiarmait
- MacDuffy
- Mace
- MacEochocan
- Macha
- Machen
- Mackay
- MacKenneth
- Mackey
- Mackinnon David
- Mackintosh
- MacMeans
- MaCuredy
- Macy
- Madden
- Maddens
- Maddern
- Madderra
- Maddox
- Maddux
- Madeley
- Maglaughlin
- Magness
- Magrah
- Maguire
- Mahan
- Mahana
- Mahaney
- Mahavier
- Mahone
- Mailes
- Main
- Mainster
- Mais
- Maitland
- Major
- Majors
- Majors Eaton
- Majure
- Malachai
- Malcom
- Maley
- Mallory
- Malloy
- Malone
- Mamie
- Mammock
- Manahan
- Mandley
- Manel
- Mangham
- Mangiante
- Mangum
- Manire
- Manis
- Manitzas
- Manley
- Manlove
- Mann
- Mann,
- Manners
- Manners Millbank
- Manning
- Manord
- Manoski
- Manous
- Manring
- Mansel
- Mansell
- Mansfield
- Mantovani
- Manuel
- Manville
- Mapes
- Maple
- Maples
- Mapp
- Mar
- Marat
- Marberry
- Marbert
- March
- Marciano
- Marcum
- Marcus
- Mardis
- Mareburger
- Maret
- Marick
- Maricle
- Marine
- Marinelarena
- Marion
- Maritine
- Markenfield
- Markham
- Markiewicz
- Markin
- Markinfield
- Marks
- Marler
- Marles
- Marlin
- Maronee
- Maroney
- Marot
- Marple
- Marr
- Marrington
- Marriot
- Marriott
- Marrone
- Marrs
- Mars
- Marsh
- Marshall
- Marsters
- Marston
- Martan
- Martella
- Marter
- Martin
- Martin Jr
- Martin Sr.
- Martindale
- Martine
- Martinez
- Mary
- Marye
- Mashburn
- Mason
- Masselli
- Massengill
- Massey
- Massie
- Massingill
- Massip
- Masters
- Mastin
- Matarazzo
- Mateer
- Materi
- Matern
- Matetzschk
- Matherne
- Matheson
- Mathew
- Mathews
- Mathews Davison
- Mathis
- Matilda
- Matkin
- Matlack
- Matney
- Matreyek
- Matson
- Matthews
- Mattingly
- Mattonen
- Mattson
- Mauduit
- Maughan
- Mauleverer
- Mauleverer, Knight of Yorkshire
- Mauntell
- Maupin
- Maxey
- Maxfield
- Maxwell
- May
- Mayben
- Mayberry
- Mayes
- Mayfield
- Maynard
- Maynell
- Maynor
- Mayo
- Mayock
- Mays
- Mayton
- Mazul
- Mc Calman
- Mc Cleskey
- Mc Daniel
- Mc Donald
- Mc Elhaney
- Mc Gee
- Mc Leroy
- Mc William
- McAbee
- McAdams
- McAdow (Dudley)
- McAleer
- McAlexander
- McAlister
- McAllister
- McAlpin
- McAmis
- McAndrew
- McArthur
- McAuley
- Mcbee
- McBrayer
- McBride
- McBryde
- McCaddon
- McCain
- Mccaine
- McCaleb
- McCalister
- McCall
- McCallie
- McCallum
- McCalmon
- McCampbell
- McCans
- McCarrell
- McCarthy
- McCartney
- McCartt
- McCarver
- McCaskey
- McCasland
- McCaul
- McCauley
- McClain
- McClammy
- McClanahan
- McClearen
- McClellan
- McClelland
- Mcclelon
- McClendon
- McClendon,
- McClery
- McClintic
- McClung
- McClure
- McClure Johnson
- McCollom
- McCollum
- McComas
- McComb
- McCombs
- McConkey
- McConnel
- McConnell
- McConnico
- McCord
- McCorkle
- McCormack
- McCormick
- McCowan
- McCown
- McCoy
- McCrary
- McCrea
- McCrite
- McCrory
- McCroskey
- McCroskey, Jr.
- McCubbins
- McCullars
- McCullough
- McCune
- McCurdy
- McCurry
- Mccutcheon
- McDade
- McDaniel
- McDaniel-Strickland
- McDerman
- McDevitt
- McDill
- McDonal
- McDonald
- McDonnell
- McDonough
- McDougal
- McDougald
- McDowell
- McDowell I
- McDufee
- McDuffee
- McElfish
- McElhaney
- McElheney
- McElrath
- McElreath
- McElroy
- McElvany
- McElwee
- McEwen
- McFadden
- McFall
- Mcfalls
- McFarland
- McFee
- McFerran
- McFerrin
- McFerron
- McGaha
- McGahee
- McGahey
- McGalliard
- McGar
- McGaugh
- McGaughey
- Mcgee
- McGehee
- McGhee
- McGill
- McGilvary
- McGimsey
- McGinnis
- McGinty
- McGowan
- McGrath
- McGraw
- McGregor
- McGrew
- McGriff
- McGuffy
- McGuire
- McGuiver
- McHarg
- McHenry
- McIlhenny
- McIlwean
- McIntire
- McIntosh
- McIntyre
- McJunkin
- McKamey
- McKay
- McKean
- McKee
- McKeen
- McKeithen
- McKelvaine
- McKendry
- Mckenney
- McKenzie
- Mckerley
- McKillip
- McKindry
- McKinney
- McKinzie
- McKissack
- McKitrick
- McKnight
- McKown
- McLachlan
- McLain
- McLane
- McLaren
- McLaughlin
- McLean
- McLelland
- McLellon
- Mclemore
- McLendon
- McLendon,
- McLennan
- McLeod
- McLeroy
- McLinn
- McMackin
- McMahan
- McMahill
- McMahon
- McManus
- McMasters
- McMeans
- McMichael
- McMillan
- Mcmillen
- McMillian
- McMillin
- McMillion
- McMullin
- McMurray
- McMurry
- McNally
- McNamara
- McNeal
- McNeely
- McNeer
- McNeese
- McNeil
- McNeill
- McNeir-Clark
- Mcnew
- McNutt
- McPeters
- McPhail
- McPherson
- McPoland
- McQuarrie
- McQuary
- McQueen
- McQueeney
- McQuillin
- McRee
- McReynolds
- McTavish
- McVay
- McVeagh
- McVeigh
- McVey
- McWhorter
- McWilliam
- McWilliams
- Meade
- Meader
- Meador
- Meadors
- Meadow
- Meadowe
- Meadows
- Meadows or Meador
- Meads
- Mealer
- Means
- Meares
- Mears
- Meason
- Meck
- Medders
- Medeiros
- Meder
- MederMeador
- Medewe
- Medley
- Medlin
- Medlock
- Medowe
- Medstand
- Medzyk
- Meek
- Meers
- Meharg
- Mehorg
- Meier
- Meikle
- Mein
- Meiredith
- Meiser
- Meletti
- Melling
- Mellinge
- Melnyk
- Melone
- Melton
- Menees
- Menefee
- Menzie
- Mercade
- Mercer
- Merchant
- Mercier
- Merck
- Meredith
- Merhottein
- Merideth
- Meridith
- Meriweather
- Meriwether
- Meriwether (Nicholas's father)
- Merrell
- Merrey
- Merrill
- Merritt
- Merriwether
- Merryman
- Mervyn
- Meryweather
- Merywether
- Meske
- Messer
- Metcalf
- Metts
- Metz
- Metzradt
- Meyer
- Michael
- Michaels
- Michaux
- Micheaux
- Michie
- Mick
- Middleton
- Mide
- Mieloszyk
- Mies
- Milam
- Milan
- Milburn
- Milby
- Miles
- Milford
- Milham
- Millard
- Miller
- Millican
- Milligan
- Millin
- Million
- Millner
- Mills
- Millspaugh
- Millward
- Millwood
- Milne
- Milner
- Milson
- Milstead
- Milton
- Milton, Norfolk, Massachusetts, Colonial America
- Milward
- Mimms
- Minard
- Minchew
- Miner
- Mingo
- Minick
- Minor
- Minshall
- Minshew
- Minson
- Minter
- Minton
- Mire
- Mirfyn
- Misenhimer
- Mitcham
- Mitchel
- Mitchell
- Mitchum
- Mittlestedter
- Mixon
- Mize
- Moak
- Moats
- Moberly
- Mobley
- Modglin
- Modgling
- Moe
- Moffit
- Moffitt
- Mohler
- Molineaux
- Molineux
- Mollart
- Molyneux
- Moncur
- Monday
- Monford
- Monfort
- Monget
- Monk
- Monke
- Monks
- Monroe
- Monson
- Montacute
- Montague
- Montgomery
- Montney
- Moodey
- Moody
- Moon
- Moone
- Mooney
- Mooneyham
- Moore
- Moore McCain
- Moorer
- Moorhead
- Mooring
- Moose
- Mooty
- Moran
- Moran Burgamy
- Morat
- Moreland
- Moreman
- Morgan
- Morgan, Sheriff of London
- Morgenroth
- Moriarty
- Morley