Claimants
- Mably Colwill
- MacArdle
- MacArthur
- MacAvin
- MacCarthy
- MacConville
- MacDermot
- MacDermott
- MacDonald
- MacDonnell
- MacDougald
- MacDowel Cosgrave
- MacDowell
- MacEgan
- MacFadden
- MacGarry
- MacGarvey
- MacGarvie
- MacHale
- MacIntyre
- Macken
- MacKenzie
- Mackey
- Mackrell
- MacMahon
- MacManus
- MacNabb
- MacNamara
- MacNoughton
- MacNulty
- MacPhillips
- Macraith
- Macran
- MacSwaine
- MacSweeney
- MacWilliam
- Madden
- Maddock
- Madigan
- Maffett
- Magann
- Magee
- Magenis
- Magennis
- Maginn
- Magrane
- Maguire
- Magwood
- Mahaffy
- Maher
- Mahon
- Mahony
- Main
- Malcolm
- Malins
- Mallen
- Mallin
- Malone
- Manahan
- Manfield
- Mangan
- Manley
- Manly
- Manners
- Mannin
- Manning
- Mannion
- Manuel
- March
- Margrie
- Markey
- Marks
- Marlow
- Marnell
- Maron
- Marron
- Marsden
- Marsh
- Marshall
- Martha
- Martin
- Martinek
- Mason
- Masser
- Massey
- Massingham
- Massy
- Massy Beresford
- Masterson
- Mathers
- Matheson
- Matthews
- Mauders
- Maunsell
- Maxwell
- Maxwell Buckham
- Maxwell Purcell
- May
- Maybury
- Mayne
- Mayo
- McAleavey
- McAllister
- McAlpine
- McAnaspie
- McAndrew
- McArdle
- McArthur
- McAteer
- McAulay
- McAuley
- McBrown
- McCabe
- McCaffrey
- McCance
- McCann
- McCartan
- McCarten
- McCarthy
- McCartney
- McClean
- McCleane
- McCluskey
- McComas
- McConaghy
- McConnell
- McCorkell
- McCormack
- McCormick
- McCorry
- McCourt
- McCoy
- McCrae
- McCrann
- McCrea
- McCready
- McCullagh
- McCulloch
- McDaid
- McDermott
- McDevitt
- McDonagh
- McDonald
- McDonnell
- McDonough
- McDowell
- McEnery
- McEntee
- McEntegart
- McEvily
- McEvoy
- McFarland
- McFarlane
- McGann
- McGarry
- McGauran
- McGavin
- McGee
- McGeehan
- McGeogh
- McGill
- McGillycuddy
- McGinty
- McGlashan
- McGloin
- McGlynn
- McGonigal
- McGoogan
- McGorty
- McGovern
- McGranaghan
- McGrane
- McGrath
- McGreevy
- McGuinness
- McGuirk
- McHale
- McHugh
- McIlwaine
- McInerney
- McIntyre
- McKane
- McKee
- McKeernan
- McKeever
- McKenna
- McKenzie
- McKeon
- McKeone
- McKeown
- McKernan
- McKiernan
- McKinney
- McKnight
- McLaughlin
- McLindon
- McLoughlin
- McMahon
- McManus
- McMullan
- McMullen
- McMurrough
- McNally
- McNamara
- McNeight
- McNeill
- McNulty
- McPherson
- McPhillips
- McQuaid
- McQuaile
- McQuillan
- McRobbins
- McSorley
- McSulla
- McSweeney
- McSwiney
- McTaggart
- McWalter
- Meade
- Meade Coffey
- Meagher
- Meara
- Meares
- Meates
- Mecredy
- Mee
- Meehan
- Megahey
- Meldon
- Melinn
- Menzies
- Mercer
- Mercer Cantle
- Meredith
- Merrick
- Merrigan
- Merriman
- Mesias
- Metcalfe
- Metchette
- Mettam
- Meyer
- Meyers
- Middleton
- Miley
- Millar
- Miller
- Milligan
- Millington
- Mills
- Milne
- Milner
- Milton
- Milverton
- Minch
- Minogue
- Mints
- Misstear
- Mitchell
- Moffatt
- Moffitt
- Mofsovitz
- Mohan
- Moles
- Molesworth Godfrey
- Molloy
- Moloney
- Monaghan
- Monahan
- Mongey
- Monica
- Monks
- Monnolly
- Montague
- Montford
- Montgomery
- Moon
- Mooney
- Moore
- Mora
- Morahan
- Moran
- Mordaunt
- Moreau
- Moreland
- Morgan
- Morgan Mooney
- Morhan
- Morley
- Moroney
- Morrane
- Morrin
- Morris
- Morrison
- Morrissey
- Morrow
- Morton
- Moss
- Mossop
- Muirhead
- Mulally
- Mulcahy
- Mulderrig
- Muldoon
- Mulherin
- Mulholland
- Mullally
- Mullan
- Mullen
- Mulligan
- Mullins
- Mulvany
- Mundy
- Munro
- Munroe Meares
- Murphy
- Murray
- Murray Bates
- Murren
- Murtagh
- Musgrave
- Myers
- Myerscough
- Myles