When Martha Alice St Clair was born on 2 August 1859, in Wadena, Union Township, Benton, Indiana, United States, her father, Alexander St. Clair, was 39 and her mother, Jane Bingamin, was 38. She had at least 2 sons and 3 daughters with Lloyd Humbolt Swan. She lived in Portland, Multnomah, Oregon, United States in 1910 and Monroe Election Precinct, Snohomish, Washington, United States in 1940. She died on 20 April 1946, in Monroe, Snohomish, Washington, United States, at the age of 86, and was buried in Odd Fellows Cemetery, Monroe, Snohomish, Washington, United States.