- Birth Date
- 29 May 1841
- Death Date
- 27 January 1917
The inscription on is gravestone confirms his birth and death dates, and his death certificate also confirms his death date.
- Age at Departure: 11
- "List of Persons Sent from Great Britain by the Perpetual Emigrating Fund Co., in the Months of January and February 1852, by Franklin D. Richards Agent at Liverpool," Deseret News, 21 August 1852, 3.
- "Thos. Mathews, Aged Early Settler, is Dead," Salt Lake Telegram, 27 Jan. 1917, 8.
- Utah Death Certificates.