- Birth Date
- 23 March 1830
- Death Date
- 5 March 1908
Sophia was indirectly listed in the company roster in William Chipman's Notebook under her husband Isaac Withers.
- Age at Departure: 36
- 1900 United States Federal Census
- Chipman, William H., Notebook, 1866.
- Find a Grave (Website)
- New York Passenger Lists, 1820-1957.
- "Passenger List: of Cap. W. Chipman's Train," Deseret News, 26 September 1866, 5.
- Smoot Ward, Record of Members. (CR 375 8, Reel 6468)
- Wyoming, Star Valley Independent Obituaries, 1901-2015