Looknig for sister given up for adoption born March 5, 1981

My name is Benjamin Haggerty. My mothers name is Barbara Morrison. My mother gave birth to a Girl March 5, 1981. She named her Emily Morrison. She was born in southern maine Lewiston I think. When she was about three months old her adopted mother was awsome enough to send my mother a picture of my sister. She has blue eyes and at the time blond hair. If someone out there knows anything please contact me.