William Lucius Robert O'Brien

(born 1889) (1889–1977)

Parents

• Emily Mary Hannah Montgomery
• Lucius O'Brien

Children

• Mary Lockhart O'Brien
• Eileen Graham O'Brien

Siblings

• Honor Alice O'Brien
• Eileen O'Brien
• Charlotte Grace O'Brien
• Donough Richard O'Brien
• Lucy Mabel O'Brien
• Charles Murrough O'Brien

Partners

• Violet Fairbrother
• Jean Graham Pollok