• Evidence from biographical, newspaper, church, and genealogical records proves he traveled to Utah in 1851.

Company Unknown (1851)

• Age at Departure: 20

William B. Preston Company (1864)

• Age at Departure: 33
• Out-and-Back Teamster

Sources

• "Captain William B. Preston, memorandum book, 1864," Perpetual Emigrating Fund Company church trains accounts 1861-1868, Captains' accounts 1862-1868.
• Find a Grave (Website)
• "Registry of Names of Persons Residing in the Various Wards as to Bishops' Reports, Great Salt Lake City, Dec. 28th, A.D. 1852" in Key to Migration Sources, Great Britain and North America: A Manual for Students Attending the Second Annual Priesthood Genealogical Research Seminar, June 19-23, 1967 (Provo: Brigham Young University Division of Continuing Education, 1967), edited by Norman Edgar Wright. 
• Utah, Deaths and Burials, 1888-1946.