- Birth Date
- 1 November 1846
- Death Date
His surname is spelled many different ways (Whitehorn, Whitehorne, Withorn, Witbom, Whitham, etc.) in different sources, but the "Whithorn" spelling is found in the 1870 Utah census.
Eliza and Joseph sailed to America in 1856 on the ship Thornton, and their surname is listed as "Witham" on the ship manifest.
- Age at Departure: 9
- 1870 Utah Census.
- Josiah Rogerson, "Captain J. G. Willie's Or, the Fourth Handcart Company of 1856 [No. 1]," Salt Lake Herald, 15 December 1907, 5.
- Journal History of The Church of Jesus Christ of Latter-day Saints, 9 November 1856, 2.
- Perpetual Emigrating Fund, Financial Accounts 1849-1886, Ledger B, p. 216.