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Movies like Molly O' (1921)

An Irish washerwoman's daughter falls in love with one of America's most eligible bachelors, much to the dismay of the girl's parents -- and the young doctor's newly acquired fiancée! Events come to a head at the charity masked ball, which the two girls happen to attend in very similar costumes, thanks to the largesse of Molly's benevolent "fairy godfather"...