• His travel to Utah is mentioned in a son's and a daughters's obituaries.

Willard Richards Company (1848)

• Age at Departure: 43

Sources

• "Death Closes a Long, Useful Life," Salt Lake Herald, 25 Dec. 1911, 2.
• "Deaths," Salt Lake Telegram , 24 Jan. 1934, 14.
• "Died," Deseret Evening News , 9 July 1877, 2.
• Historical Department journal history of the Church, 1830-2008, Supplement after 31 December 1848, 20.
• [List of those filing for lots, 1848], in Salt Lake County Recorder's Office, Land records [ca. 1847-1860].
• "Orson Speirs Dies; A Pioneer Citizen," Salt Lake Telegram , 17 Oct. 1902, 2.
• Robert L. Campbell, Journal extracts (30 June-19 October 1848) in Historical Department office journal, 1844-2012.
• Utah State History Cemeteries and Burials Database.