John Bartlett Williamson, b. 8 Sept. 1855 in Sato, Jackson County, Illinois, d. 17 Sept. 1929 in Ora, Jackson County, Illinois, son of Henry Williamson & Ann Bartlett. He married Mallissa "Alice" C. Coyle on November 22, 1877 in Jackson County, Illinois.
Joseph Williamson, b. 5 Oct 1828 in Belfast, Waldo County, Maine, d. 4 Dec 1902 in Belfast, Waldo County, Maine, son of Joseph William & Caroline Cross. He married Ada H. Peirce on October 20, 1857 in Belfast, Waldo County, Maine.
Joseph Williamson, b. 10 Oct 1839 in Delaware, Hunterdon County, New Jersey, d. 30 Jul 1900 in Delaware, Hunterdon County, New Jersey, son of Matthias Williamson & Susan Slack. He married Mary Ann Gordon on December 15, 1864 in Sergeantsville, Hunterdon County, New Jersey.