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Male Diarmaid O'Brien Click to view Diarmaid O'Brien in the family tree

Diarmaid was born in 1594 in Hillsborough, Ireland.  Diarmaid's father was Murchadh O'Brien and his mother was Mabel Nugent.  His paternal grandfather was Murchadh O'Brien and his paternal grandmother is Margaret Cusack; his maternal grandfather is Christopher Nugent and his maternal grandmother was Mary Fitzgerald.  He was an only child.  He died at the age of 30 on December 29th, 1624.


Diarmaid's family with Ellen Fitzgerald

‌Diarmaid and Ellen were married in a religious ceremony in 1614.  They had a son and a daughter, named Murchadh and Mary.


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