Lucius O'Brien

(died 1717) (d. 1717)

Parents

• Sir Donough O'Brien, 1st Baronet
• Lucia Hamilton

Children

• Lucia O'Brien
• Anne O'Brien
• Thomas O'Brien
• Sir Edward O'Brien, 2nd Baronet

Siblings

• Honora O'Brien
• Elizabeth O'Brien
• Henry O'Brien

Partners

• Catherine Keightley