Mary Peterson Cummins was born in 1838 in Ohio, United States; died in Bet. 1862 and 1932.
Mary married William Allen McWilliams on 30 Apr 1856 in Quasqueton, Buchanan, Iowa, United States. William was born in Bet. 1811 and 1838; died in Bet. 1861 and 1925. [Group Sheet] [Family Chart]