Ancestors of Mary Katherine JOHNSON
1847 - 1925 (77 years)
┌── Edwin JOHNSON 
(11 Feb 1817 Millmount, Avoca, Wicklow, Ireland - 19 Nov 1900 Platteville, Grant, Wisconsin, USA)
(11 Feb 1817 Millmount, Avoca, Wicklow, Ireland - 19 Nov 1900 Platteville, Grant, Wisconsin, USA) Mary Katherine JOHNSON (8 Nov 1847 Milwaukee, Milwaukee, Wisconsin, USA - 19 Feb 1925 Mineral Point, Iowa, Wisconsin, USA)
└── Elizabeth JOHNSON
(29 Aug 1822 Wicklow, Ireland - 4 Nov 1865 Belmont, Lafayette, Wisconsin, USA)
(29 Aug 1822 Wicklow, Ireland - 4 Nov 1865 Belmont, Lafayette, Wisconsin, USA)