- Birth Date
- About 1822
- Death Date
- William is listed on the 1859 William Tapscott ship register as a seaman from England. He served in the company as a Captain of Fourth Ten.
- Age at Departure: 37
- Henry Hobbs journal, 1859 May-1860 July.
- John Young Smith diary, in Ila May Fisher Maughan, Joseph McKay-Martha Blair: Their Progenitors, Posterity and Lineal Lines-A Documented History, 1135-1967 (1967), 41-48.
- "Latter Day Saints' Immigration," Deseret News, 24 August 1859, 197.
- Thomas McIntyre journal, 1854 November-1913 May, 16-68.