- Birth Date
- 18 April 1831
- Death Date
- 1 July 1907
John Calvin Ensign
He claimed, "I drove the first ox team into the valley...." His birth date is confirmed by the inscription on his gravestone.
- Age at Departure: 16
- 1850 Utah Census, Salt Lake County.
- 1880 Utah Census.
- Ensign, J. C., Reminiscences, in Utah Semi-Centennial Commission, The book of the pioneers [ca. 1897].
- Ensign, Martin Luther, Autobiography, in Utah State Historical Society Cache Valley Chapter, Historical resource materials for Cache Valley, Utah-Idaho, 1955-1956, reel 1, item 9, 1-2.
- [Hunter-Horne Company, Remarks by Surviving Pioneers], in Utah Semi-Centennial Commission, The book of the pioneers [ca. 1897].
- Journal History of The Church of Jesus Christ of Latter-day Saints, 21 June 1847, 13.
- Utah Death Certificates.