McClary New Hampshire Schooner [Parker Moore Dalling Stackpole Gregory]
 Marquis de La Fayette Rhode Island Ship [Munro Olney]
 Marquis de La Fayette Virginia Ship [Meredith]
 Mars Maryland Sloop [Copper]
 Mars Pennsylvania Schooner [Copper]
 Mary Connecticut Sloop [Mansfield]
 Mary New Hampshire Brig [Coates]
 Mary New Hampshire Schooner [Arnold]
 Matilda Maryland Ship [Belt]
 Mercury New Hampshire Ship [Johnson Giddings Storer]
 Mermaid Rhode Island Sloop [Bishop]
 Minerva New Hampshire Ship [Grimes]
 Minerva Rhode Island Brig [Rotch]
 Montgomery Maryland Schooner [Polk Burnell Belt]
 Montgomery Rhode Island Sloop [Bucklin Rhodes Ruttenber Potter]
 Morning Star Virginia Brigantine [Batty Stratton]
 Muskites New Hampshire Schooner [Babion]