Family/Spouse: Rose Ann Kirley. Rose was born in Jun 1798 in Donamine, County Monaghan, Ireland; died on 2 Jun 1871 in Doylestown, Columbia, Wisconsin, United States. [Group Sheet] [Family Chart]

1. William E. McMahon was born in 1815 in , , , Ireland; died on 26 Nov 1889 in Doylestown, Columbia, Wisconsin, United States.
2. James P. McMahon was born on 28 Dec 1823 in , , , Ireland; died on 19 Mar 1882 in Doylestown, Columbia, Wisconsin, United States.
3. Philip H. McMahon was born in 1824 in , , , Ireland; died on 3 Aug 1910 in Wyocena, Columbia County, Wisconsin, United States; was buried on 5 Aug 1910 in St. Patrick's Church Cemetery, Doylestown, Columbia, Wisconsin, United States.
4. Margaret Eliza McMahon was born in 1824; died on 20 Aug 1912.
5. Hugh Peter McMahon was born on 5 Apr 1824 in , , , Ireland; died on 4 Apr 1908 in Fountain Prairie, Columbia, Wisconsin, United States; was buried on 6 Apr 1908 in St. Patrick's Church Cemetery, Doylestown, Columbia, Wisconsin, United States.
6. Mary Ann McMahon was born in 1839 in , , , Ireland; died on 11 Aug 1899 in Doylestown, Columbia, Wisconsin, United States.
7. John Edward McMahon was born on 27 Mar 1840 in County Monaghan, Ireland; died on 28 Sep 1914 in Doylestown, Columbia, Wisconsin, United States; was buried in St. Patrick's Church Cemetery, Doylestown, Columbia, Wisconsin, United States.