Adopted 1928-1934

I am in search of any one who may have any information on a girl that was adopted between 1928 and 1934 , she was in a convent for some time in Montreal and was later adopted by B.M. Garfiled and Emma.They ran the Rialto Theatre in Montreal Canada, if you know anything please contact me thank you so much. We are to believe that B.M. Garfield was the real birth father.