Theodore Mattson was the ninth child of thirteen & the seventh son born to, Andrew Victor Mattson & his wife, Hannah Sofia [Johnson] Mattson in Boyne City, Leelanau, MI, in April of 1907. Our notes show he married, Silvia Agnes, but not when or where. Together he & Silvia shared at least one known child together, John Mattson. Theodore Mattson died in Milwaukee, Milwaukee, WS on, 25 November 1953.