Noted events in his life were:
• General History, 1897, Van Buren County, Arkansas. William Clark, his wife Harriet Imler Clark, along with other family members and friends moved to Van Buren County from Jewell County, Kansas in 1895. Following William's sudden death the family moved back to Kansas. His grave is unmarked.
William married Sarah Ann Searfoss on 10 May 1853 in Ohio. (Sarah Ann Searfoss was born on 30 Jul 1838 in Pickaway County, Ohio and died on 9 Jan 1858 in Ohio.)
William next married Harriet Imler on 5 Feb 1861 in Lima, Allen County, Ohio. (Harriet Imler was born on 1 Jun 1834 in Pickaway County, Ohio, died on 23 Aug 1913 in Jewell County, Kansas and was buried in Balch Cemetery, Formoso, Jewell County, Kansas.)