The 1930 census states he Minor got married at age 18 and Frances at age 14. Based on the ages they gave in the 1930 census (32-18=14) (27-14=13) from 1930 they married 1916/1917.
Their obits for your records.
Frances:
Pittsburgh Post-Gazette -
Apr 27, 1961
Minor:
Pittsburgh Post-Gazette -
May 4, 1961