Mary Maria May Gannon

1846 - 1918  (72 years)

• Name	Mary Maria May Gannon  [1]
  Birth	2 Apr 1846	Old Chelsea, Les Collines-de-l'Outaouais, Quebec, Canada   [1]
  Gender	Female
  Death	13 Nov 1918	Martindale, La Vallee-de-la-Gatineau, Quebec, Canada   [1]
  Burial	Martindale, Outaouais Region, Quebec, Canada
  Person ID	I2233	Branches and Roots
  Last Modified	13 Feb 2026

  
  

  Father	Martin Gannon,   b. Abt 1822, Castlebar, County Mayo, Ireland d. 2 Jul 1880, Martindale, Outaouais Region, Quebec, Canada (Age 58 years)
  Relationship	natural
  Mother	Mary Ellen Egan,   b. 1819, Ireland d. 8 Aug 1879, Martindale, Outaouais Region, Quebec, Canada (Age 60 years)
  Relationship	natural
  Family ID	F2443	Group Sheet  |  Family Chart

  
  

  Family	John O'Sullivan,   b. 20 Nov 1840, Limerick, Limerick, Ireland d. 22 Feb 1909, Martindale, La Vallee-de-la-Gatineau, Quebec, Canada (Age 68 years)
  Children	> 1. John Thomas O'Sullivan,   b. 5 Feb 1869, Martindale, La Vallee-de-la-Gatineau, Quebec, Canada d. 5 Oct 1951, Potsdam, St Lawrence, New York, USA (Age 82 years)  [Father: natural]  [Mother: natural]
  Family ID	F4810	Group Sheet  |  Family Chart
  Last Modified	13 Feb 2026

  
  

• Sources

  [S122] Measheaw, Cyndi, Cyndi Hayes Family Tree.