Philemon B. Simpson (October 13, 1819 – April 28, 1895) was an American lawyer and politician. Born in Ashtabula County, Ohio, Simpson was raised in Jefferson County, New York. He graduated from the University of Cincinnati College of Law in 1843 and was admitted to the Ohio Bar. He then practiced law in Peru, Indiana. In 1847, he moved to Shullburg, Wisconsin Territory and practiced law. He served in various city, village, and town government offices. In 1853, Simpson served in the Wisconsin State Assembly, as a Democrat, and then from 1857 to 1860, he then served in the Wisconsin State Senate. He died in Mobile, Alabama while his wife was recuperating from illness. Notes 1819 births 1895 deaths People from Ashtabula County, Ohio People from Jefferson County, New York People from Peru, Indiana People from Shullsburg, Wisconsin University of Cincinnati College of Law alumni Indiana lawyers Ohio lawyers Wisconsin lawyers Democratic Party Wisconsin state senators 19th-century American politicians 19th-century American lawyers Democratic Party members of the Wisconsin State Assembly