- Birth Date
- 5 January 1852
- Death Date
- 29 May 1926
Her birth and death dates are confirmed by her death certificate. In some sources her given name is listed as "Mary."
- Age at Departure: 2
- “Marie Ballif Thatcher Dies,” Ogden Standard-Examiner, 30 May 1926, 7.
- Robert Campbell company report, 1854 August 22, in Brigham Young office emigrating companies reports, 1850-1862.
- Saints By Sea: Latter-Day Saint Immigration to America
- Utah Death Certificates.
- Utah State History Cemeteries and Burials Database.