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Mary Cecelia Hennessy

Birth13 May 1887 - Oak Harbor, Ohio, USA
Death28 Dec 1968 - Brookfield, Cook, IL, USA
MotherAnne Corey
FatherDennis (MAY NOT BE OUR FAMLY) Hennessy

Born in Oak Harbor, Ohio, USA on 13 May 1887 to Dennis (MAY NOT BE OUR FAMLY) Hennessy and Anne Corey. Mary Cecelia Hennessy married John Thomas O'Brien and had 6 children. She passed away on 28 Dec 1968 in Brookfield, Cook, IL, USA.

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Mary Cecelia Hennessy family tree

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Parents
Dennis (May Not Be Our Famly) Hennessy
1833 - 1921
Anne Corey
1848 - 1914
Spouse(s)
John Thomas O'brien
1886 - 1946
Children Show all
Rosemary Kathleen O'brien
1920 - 2001
John Dennis O'brien
1918 - 1921
Robert Donald O'brien
1920 - 2003

James Edward "Bucky" O'brien
1923 - 1944
Joan Dolores O'brien
1926 - 2018
Alfred Patrick O'brien
1928 - 2016

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