- Birth Date
- 28 October 1819
- Death Date
- 26 October 1894
Jasper Harrison Twitchell
Captain of 5th Ten. He was incorrectly listed in a non-contemporary typescript list in the 1848 Brigham Young company in Journal History (Supp. after 31 Dec. 1848, 1).
- Age at Departure: 28
- Camp of Israel schedules and reports, 1845-1849.
- Heber C. Kimball journals, 1848 June-July and 1848 July-September, in Heber C. Kimball papers, 1837-1866.
- Journal History of The Church of Jesus Christ of Latter-day Saints, 24 September 1848, 27.
- Journal History of The Church of Jesus Christ of Latter-day Saints, Supplement after 31 December 1848, 16.
- William Burton papers, circa 1837-1851, Journal, Volume 11, 1848 June-July.
- William Thompson journal excerpts in Historical Department journal history of the Church, 1896-2001 July, 24 September 1848, 17-54.