His Family Tree (1935)

When his son doesn't respond to his many letters, Patrick Murphy decides to leave Ireland and visit his son in America. But upon arriving in Center City Patrick discovers that his son, who is running for Mayor, has changed the family name to Murfree. After his daughter-in-law makes it clear that the old gent's Celtic influence isn't welcome at the Murfree home, Patrick realizes that it is up to him to restore his son's pride in his Irish heritage.