Here's a obit I found in a database. Maybe it'll help.. Regards!
Sumner George Jack Laughton, of Bowman, passed away on 15 August 1960. He was a native of Reno, NV. Survivors included: Wife: Clementine Mother: Emma Larkin Son: Bill Laughton of Colorado Sister: Velma Watt of Merced Sister: Nancy Simpson of San Jose Brother: George L. Laughton of Nevada Step-dad: L.B. Larkin of Nevada