- Birth Date
- 12 January 1825
- Death Date
- 4 June 1905
John William Clark
Evidence from census, newspaper and genealogical records proves the Clark family traveled to Utah in 1852.The Utah State History Cemeteries and Burials Database confirms his birth and death dates.
- Age at Departure: 27
- 1900 Utah Census.
- Daughters of Utah Pioneers. History of Utah's Tooele County: From the Edge of the Great Basin Frontier (Tooele, UT: Transcript Bulletin Publishing, Inc., 2012).
- "Patriarch J.W. Clark Dead," Deseret Evening News , 12 Jan. 1905, 9.
- Patriarchal Blessing Index, 1833-1971. (Closed to Research)
- Utah State History Cemeteries and Burials Database.