O'Brien
This page contains an index of all the individuals in the database with the surname of O'Brien. Selecting the person’s name will take you to that person’s individual page.
| Name | Birth | Death | Partner | Parents |
|---|---|---|---|---|
| Mary | FitzGerald, Robert 19th Earl of Kildare | O'Brien, William 3rd Earl of Inchiquin, 8th Baron Inchiquin | ||
| William, 2nd Earl of Inchiquin | 1640 | |||
| William, 3rd Earl of Inchiquin, 8th Baron Inchiquin | 1662 | O'Brien, William 2nd Earl of Inchiquin |