Conversation so far:
Was George M. Cohan married?
From 1899 to 1907, George M. Cohan was married to Ethel Levey.
Was George M. Cohan's marriage to Ethel Levey his only one?
In 1908, George M. Cohan married Agnes Mary Nolany.
Did George M. Cohan have any children?
Levey and George M. Cohan had a daughter. Nolan and Cohan had two daughters and a son.

Question: Was their daughter a film actor or was she on the stage?
Self-contained rewrite: Was George M. Cohan and his wife's duaghter a film actor or was she on the stage?