Brevet Brigadier General Lester Sebastion Willson, , was a U.S. Civil War officer in the Union Army, Assistant Quartermaster General of New York, and a Montana merchant and politician in Bozeman, Montana. He was married at Albany, N.Y., on March 2, 1869, to Miss Emma D. Weeks, a native of Vermont. He died in Bozeman, Montana on January 26, 1919.
Lester Willson was born in Canton, New York on June 16, 1839, the son of Ambrose and Julia Willson. He was one of seven children and had at least two brothers, Davis and George. His brother Davis would play a prominent role in Lesters later career as a businessman in Montana. He attended public schools in Canton and graduated from a prominent Academy before working as a clerk for two years and then volunteering for the Union Army in 1861.
Source: Wikipedia