Parlan Semple was a member of the Wisconsin State Assembly.
Semple was born on January 9, 1832 in Quebec. After his father's death, he lived with his mother and brother in Lowell, Massachusetts. In 1855, he married Louisa Hammond. They later moved to Shawano County, Wisconsin. After Louisa's death, he married Julia Emma Scott on his 54th birthday. They would have one son. Semple died in June 1922 in a nursing home in Green Bay, Wisconsin.