• William Preston's Memorandum lists Adam as "Adam Wilker."

Isaac M. Stewart Company (1852)

• Age at Departure: 11

William B. Preston Company (1864)

• Age at Departure: 23
• Out-and-Back Teamster

Sources

• 1900 United States Federal Census
• Arizona Death Certificate.
• "Captain William B. Preston, memorandum book, 1864," Perpetual Emigrating Fund Company church trains accounts 1861-1868, Captains' accounts 1862-1868.
• “Captain William B. Preston Company (first ox train), manifest, 1864.” Perpetual Emigrating Fund Company church trains accounts 1861-1868, Captains’ accounts, 1862-1868.
• Find a Grave (Website)
• “Freight Manifests, 1864, 1868.” In Perpetual Emigrating Fund Company church trains accounts 1861-1868, Freight manifests, 1861-1868, p. 12-31. (CR 376 8, Box 1, Folder 4)