Mother Machree (1928)

Ellen McHugh, a poor Irish immigrant to America, finds work in a carnival and is thus able to send her son Brian to a fine school. But when her position is found out, the school expels Brian. Mrs. McHugh feels compelled to allow the school principal and his wife to adopt Brian. The widow McHugh becomes a housekeeper and raises her employer's daughter Edith, who grows up to fall in love with Brian McHugh.