Lucius O'Brien, 15th Baron Inchiquin

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

Parents

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

Children

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

Siblings

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

Partners

• Ethel Jane Foster