[1][4] His father Theodore Cockrill was San Francisco's Chief of Police.

[2] Before he ever stepped in front of a movie camera, Bradley had amassed about 2 decades' worth of Broadway stage credits,[5] most notably in the original production of Anne Nichols' Abie's Irish Rose, in which Bradley portrayed Father Whelan in all 2,327 performances.

[8] She divorced Bradley on grounds of desertion in 1906,[9] but continued to appear alongside him onstage under her maiden name for at least another two years.

[10] From 1926 until her death in June 1947, Bradley was married to the stage actress and singer Lorena Atwood.

[11] On October 18, scarcely four months later, Bradley suffered a fatal heart attack in Hollywood.