She would not work on any radio program sponsored by a company that distributed or manufactured alcohol in any form.
When Una O'Connor was brought to Hollywood in 1932 to recreate her stage role of Ellen Bridges in "Cavalcade", British critic James Agate wrote that she had established a right to the role "that it would be impertinent and impolitic to contravene.".
Began her acting career on stage at the Abbey Theatre in Dublin, Ireland, and had an extensive stage career prior to being in films.