- Born in 1665 in Killorglin
- Deceased on March 17, 1737, at the approximate age of 71 years
Parents
- Robert Blennerhasset, of Castle Conway (1622 - 1683), member of parliament, captain
- Avice Conway (c. 1640 - 1683)
Family
- Married with Elizabeth Cross, issuing
- John (1696 - 1744)