O'donnell Philip P.
O'dowd Dennis Hardy
O'dowd Peter John
O'farrell Patrick H.
O'grady Thomas M.
O'hara David
O'hara Mark J.
O'hara Technologies Inc.
O'hare Thomas E.
O'kelley Brock Conrad
O'leary John H.
O'leary John Henry
O'mara Kerry
O'mara Kerry D.
O'nan Alex (jr.)
O'neill Hugues Robert
O'neill James A.
O'neill Oliver
O'nien Stephen James
O'rourke Leo M.