Lucius O'Brien, 15th Baron Inchiquin

Irish Baron and politician (1864-1929) (1864–1929)

Parents

• Edward O'Brien, 14th Baron Inchiquin
• Emily Holmes à Court

Children

• Fionn Myles Maryons O'Brien
• Finola Helga Laetitia Monica O'Brien
• Phaedrig O'Brien, 17th Baron Inchiquin
• Katharine Beryl O'Brien
• Griselda Etheldreda Clodagh O'Brien
• Donough O'Brien, 16th Baron Inchiquin

Siblings

• Maud O'Brien
• Eileen O'Brien
• Desmond O'Brien
• Lilah O'Brien
• Geraldine Mary O'Brien
• Clare O'Brien
• Edward O'Brien
• Murrough O'Brien
• Moira O'Brien
• Doreen O'Brien
• Beatrice Marconi
• Donough O'Brien
• Henry Barnaby O'Brien

Partners

• Ethel Jane Foster