• The Thuesen family sailed to America in 1857 on the ship Westmoreland but they did not cross the plains until 1860. One of John's sisters (Julia Mariane Margaret) died at Omaha Nebraska. He was listed as "John Thuison," on the company roster.

James Darling Ross Company (1860)

• Age at Departure: 17

Sources

• Denmark Church Records, 1484-1941
• Emigration list for Spring, 1860.
• "Indian War Veteran Dies In Salt Lake," Deseret News, 12 Feb. 1932, 3.
• Journal History of the Church of Jesus Christ of Latter-day Saints, Supplement after 31 December 1860, 22.
• Missionary Department Missionary Registers, 1860-1959, Volume 1.
• "The Immigration," Deseret News, 15 August 1860, 189.