Three Cheers for the Irish (1940) Priscilla Lane, Dennis Morgan, Thomas Mitchell, Virginia Grey

Retiring police officer Peter Casey (Thomas Mitchell) resents his replacement, Angus Ferguson (Dennis Morgan), a young Scotsman. To help Peter adjust, his daughters, Maureen (Priscilla Lane), Patricia (Virginia Grey) and Heloise (Irene Hervey), suggest he run for alderman. Unknown to Peter, Angus meets Maureen and the two begin courting. Trouble starts when Heloise naively asks a bookie friend to help raise money for Peter s campaign, and Peter discovers a secret between Maureen and Angus.