People : Renae O'brien to Roberta O'brien
Renee O'brien 4 people
Rex O'brien 2 people
Rhea O'brien 2 people
Rhonda O'brien 7 people
Rich O'brien 4 people
Richard O'brien 94 people
Ricky O'brien 3 people
Rita O'brien 16 people
Robb O'brien 2 people
Robert O'brien 160 people
Roberta O'brien 3 people