Mary Irving Montgomery was born in 1819 in Adams County, Ohio, USA; died in 1902 in Denver County, Colorado, USA.
Mary married Dr John McKinley in 1838. John was born on 30 Aug 1817 in Donegal, Ireland; died on 30 Jul 1854 in St Louis County, Missouri, USA. [Group Sheet] [Family Chart]
1819 - 1902 (83 years)