- Birth Date
- 10 September 1853
- Death Date
- 6 June 1935
His birth and death dates are confirmed by the inscription on his gravestone and his death certificate.
The Gubler family sailed to America in 1859 on the ship Emerald Isle.
His travel to Utah is confirmed by his obituary.
- Age at Departure: 6
- "Funeral Held for John Gubler, 81, at Santa Clara, June 8," Washington County News, 13 June 1935, 1.
- Historical Department journal history of the Church, 1830-2008, Supplement after 31 December 1860, 32.
- Perpetual Emigrating Fund Company general files, 1850-1887.
- Saints By Sea: Latter-day Saint Immigration to America