Mack

Madison

Major

Malcolm

Manny

Manuel

Marc

Marcus

Marion

Mark

Marshall

Martin

Marty

Marv, Marvin

Mason

Matt, Matthew

Mattathias

Matthias

Maurice

Max

Maynard

Mel, Melvin, Melvyn

Melcher

Merle

Mervin, Mervyn

Methuselah

Micah

Micaiah

Michael

Mickey

Mike

Mildred

Miles

Milo

Milton

Mitch, Mitchell

Mo

Moab

Moe

Monroe

Montel

Monty

Morgan

Morton

Moses

Murray

Myron