• Mercy traveled in the Daniel Spencer/Perrigrine Sessions company with her daughter, Mary Jane Thompson. She was a widow. According to 1850 census records, she lived together with her daughter in Salt Lake city in a house right next to the home of her brother, Joseph. Her date of death is confirmed by Utah, Salt Lake County death records.

Daniel Spencer/Perrigrine Sessions Company (1847)

• Age at Departure: 40
• Head of Household

Sources

• 1850 Utah Census, Salt Lake County.
• Book of the Pioneers, Book 2, p. 279.
• Find a Grave
• “Pioneer Reminiscences—By One Who Crossed the Plains in 1847, Aged Nine Years,” Deseret Evening News, 21 May 1897, 8.
• Sessions, Patty Bartlett, Diaries and account book, 1846-1866; 1880, vol. 1.
• Thompson, M. J., "Early Church Recollections," Juvenile Instructor , 15 July 1897, 430-31.
• Thompson, Mercy Rachel Fielding, Autobiographical sketch 1880, 11.
• Utah, Salt Lake County Death Records, 1849-1949.