Patterson, Thomas Harman was born on May 10, 1820 in New Orleans. Son of Daniel Todd and George Ann (Pollock) Patterson.
Commanded ship Chocura in naval force which cooperated with McClellan during Peninsular Campaign, 1862. Promoted commander, 1862. Senior officer in York and Pamunkey rivers, 1862, offshore blockade, Charleston, South Carolina., 1864-1865.