Una O'Brien

(died 1589) (d. 1589)

Parents

• More O'Carroll
• Turlogh O'Brien

Children

• Lady Honor O'Brien
• Mary O'Brien
• Honora O'Brien
• Donogh O'Brien, 4th Earl of Thomond
• Margaret O'Brien
• Teige O'Brien
• Daniel O'Brien, 1st Viscount Clare

Siblings

• Honora O'Brien

Partners

• Connor O'Brien, 3rd Earl of Thomond