Catherine O'Reilly was born on March 13, 1794 in Drummondsville, county, Ontario, Canada, The Daughter of John O'Reilly and Cordelia Petrie.
Catherine O'Reilly married Thomas Mercer on May 07, 1817.
Catherine O'Reilly had 1 child. Her name is Delia Elizabeth Mercer.
Catherine Mercer (nee O'Reilly) passed away on February 11, 1868 in York, York, Ontario, Canada.
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December 10 Births
1869 - Margaret Ellen O'Reilly
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