William Penn Lyon was a Wisconsin

Wisconsin

Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

 jurist, soldier, and legislator.

Born in Chatham, New York, Penn and his family moved to Walworth County, Wisconsin

Walworth County, Wisconsin

Walworth County is a county located in the U.S. state of Wisconsin. As of 2010, the population was 102,228. Its county seat is Elkhorn.-Geography:According to the U.S...

. There, he studied law and was admitted to the Wisconsin Bar. He then moved to Burlington, Wisconsin

Burlington, Wisconsin

Burlington is a city in Racine and Walworth counties in the U.S. state of Wisconsin, with the majority of the city located in Racine County. The population was 10,421 at the 2009 census.-History:...

 to practice law and then to Racine, Wisconsin

Racine, Wisconsin

Racine is a city in and the county seat of Racine County, Wisconsin, United States. According to 2008 U.S. Census Bureau estimates, the city had a population of 82,196...

 where he was District Attorney of Racine County, Wisconsin; he also served in the Wisconsin State Assembly

Wisconsin State Assembly

The Wisconsin State Assembly is the lower house of the Wisconsin Legislature. Together with the smaller Wisconsin Senate, the two constitute the legislative branch of the U.S. state of Wisconsin....

 and was the speaker. Lyon served in the Union Army during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

. During this time, he was elected a judge of the Wisconsin Circuit Court

Wisconsin Circuit Court

Circuit Courts are the primary trial courts in Wisconsin, United States. They hear and decide cases involving a wide variety of topics, including contracts, personal injury, family law, children in need of protection and/or services, juvenile delinquency, probate, traffic, small claims,...

. He ran for the United States House of Representatives

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 in 1870 but lost. In 1871, he was appointed to the Wisconsin Supreme Court

Wisconsin Supreme Court

The Wisconsin Supreme Court is the highest appellate court in the state of Wisconsin. The Supreme Court has jurisdiction over original actions, appeals from lower courts, and regulation or administration of the practice of law in Wisconsin.-Location:...

and eventually became chief justice.