Major -(American origin) Major is a 22nd rank above Captain & below Lieutenant Colonel in the United States Army.
Manny - (Hebrew origin) Manny is a variant of Manuel, meaning "God with Us."
Manteo - (Location origin) Manteo is a town on Historic Roanoke Island, NC. Manteo is named after a historic Native American with ties to the island's first English Colony in the new world, "The Lost Colony."
Markus - (Dutch origin) Markus means "Of Mars."
Mars - (Latin origin) Mars means "Male."
Marshal - (American origin) A Marshal is a United States Officer working for the Federal Government's United States Marshal Service, founded in 1789.
Max - (Latin origin) Max is a variant of Maximus meaning "The Greatest."
Maximillian - (Latin origin) Maximillian is a variant of Maximus meaning "The Greatest."
Maximus - (Latin origin) Maximus means "The Greatest."
Merlin - (Welsh origin) Merlin is a variant of Myrrdin, meaning "Sea Fortress."
Melville - (Location origin) Melville is an affluent hamlet on Long Island, New York.
Memphis - (Location origin) Memphis is a city in Tennessee, USA.
Mojo - (Mystic origins) Mojo means "Magic Spell / Talisman."
Montgomery - (Location origin) Montgomery is the capital city of Alabama, USA.
Mordred - (Old Welsh origin) Mordred is a variant of Medraut, meaning "Brave.
Morton - (English & Scottish origin) Morton is a variant of Mor(e)ton and means "Settlement on the Moor."
Murphy - (Irish origin) Murphy is a variant of Muir and means "Sea Warrior."