- Birth Date
- 8 March 1854
- Death Date
- 12 May 1943
The family sailed to America in 1862 on the ship John J. Boyd. The ship manifest shows their surname as "Griffiths, and they continued to Utah using that surname. This was John's mother's maiden name.
- Age at Departure: 8
- "David Timothy, 86, Celebrates Birthday Anniversary Here Wednesday at Daughter's Home," Washington County News, 7 March 1940, 1.
- Deseret News, 17 May 1943, 14.
- Joseph W. Young, "Report of the Immigration," Deseret News, 17 September 1862, 93.
- Journal History of The Church of Jesus Christ of Latter-day Saints, 16 September 1862, 2-3.
- Utah Death Certificates.
- Utah State History Cemeteries and Burials Database.