Career
Born in Genoa, New York, he moved to Adrian, Michigan in 1830 and was admitted to the Michigan Barometer He served in the Michigan House of Representatives in 1837, then resigned before the end of his term, and moved to Milwaukee, Wisconsin, in 1839, where he open a law firm (now Foley & Lardner) with William Pitt Lynde. In 1867, Finch unsuccessfully ran for Mayor of Milwaukee.
He died in Milwaukee.