Born in Ireland
Daughter of [father unknown] and [mother unknown]
[sibling(s) unknown]
Wife of
Patrick Gilligan
— married
[date unknown] [location unknown]
Descendants 
Mother of
Patrick Gilligan and Ellen Loretta (Gilligan) Knowlton
Died after
after age 77
[location unknown]
Profile last modified
This page has been accessed 45 times.
Biography
On the 1850 US census for NYC, Mary appears as an O'Brien with two children in the household of John O'Brien. Also present is a Patrick Gilligan and a Patrick and Mary Kilduff. It is possible that Patrick Gilligan met Mary O'Brien in NYC and married her after she was widowed. Her children appear as Gilligans in the 1860 census.
Sources
- US Census 1850 (New York)
- US Census 1860 (New York)
- US Census 1870 (New Jersey)
- US Census 1880 (New Jersey)
- US Census 1900 (New Jersey)
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