- Birth Date
- 15 March 1824
- Death Date
- 30 April 1874
Mary and her husband, John Marshall Yardley, crossed the Atlantic on the ship Josiah Bradlee in 1850. The were both re-baptized in Utah 6 August 1852.
- Age at Departure: 27
- 1856 Utah Census.
- 1860 Utah Census.
- 1870 Utah Census.
- Find a Grave
- John Brown Emigrating Company journal, 1851 July-September.
- Journal History of The Church of Jesus Christ of Latter-day Saints, Supplement after 31 December 1851, 6E.
- Saints By Sea: Latter-day Saint Immigration to America
- Salt Lake Stake, Record of members collection, 1836-1970.