Matches in people

Pat O'Brien Pat O'Brien Born on Nov 11, 1899 in Milwaukee (WI), died Oct 15, 1983 in Santa Monica (CA)
Donald O'Brien Donald O'Brien Born on Sep 15, 1930 in Pau (France), died Nov 29, 2003 in Rome (Italy)
Margaret O'Brien Margaret O'Brien Born on Jan 15, 1937 in San Diego (CA)
Vince O'Brien Vince O'Brien Born on Jan 11, 1919 in New Britain (CT), died Jun 19, 2010 in Haworth (NJ)
Tom O'Brien Tom O'Brien Born on Jul 25, 1890 in San Diego (CA), died Jun 8, 1947 in Los Angeles (CA)
Edmond O'Brien Edmond O'Brien Born on Sep 10, 1915 in New York City (NY), died May 9, 1985 in Inglewood (CA)

Matches in movies

Officer O'Brien Officer O'Brien (1930)
Just William Just William (1940)
Just William's Luck Just William's Luck (1948)
The Greed of William Hart The Greed of William Hart (1948)
William Comes to Town William Comes to Town