When James Harry Tatham was born on 17 August 1907, in Mount Vernon, Skagit, Washington, United States, his father, Marcus Ervin Tatham, was 33 and his mother, Leana P Cannon, was 30. He married Blanche Bernice Schiller on 25 August 1941, in Boise, Ada, Idaho, United States. He lived in Burlington, Skagit, Washington, United States in 1910 and West Hamilton Election Precinct, Skagit, Washington, United States in 1940. He died on 6 June 1965, in Skagit, Washington, United States, at the age of 57, and was buried in Hamilton Cemetery, Hamilton, Skagit, Washington, United States.