Marie R. (Soster) Montomery, age 87, of Mt. Pleasant, formerly of Murrysville passed away on Tuesday February 18, 2020 in Excela Health Frick Hospital, Mt. Pleasant.  Marie was born on August 14, 1932 in Iselin PA the daughter of the late John E. and Lousie (Maraffi) Soster.  In addition to her parents she was preceded in death by her husband Elmer C. Montgomery and her sister Geneva (Soster) Carazzo.  Marie was a 1950 graduate of Braddock High School and a former employee of Union Switch & Signal Co.  She enjoyed painting, vintage movies, dancing, singing, and was a member of the Sweet Adelines for several years.  Marie is survived by her brother John R. Soster of Turtle Creek and her sister Maxine S. Stadterman of Level Green as well as nieces, nephews and cousins.  Family and friends will be received on Sunday from 2-6 PM in the John M. Dobrinick Funeral Home Inc., 702 7th St. (State Rt. 130) Trafford 412-372-3111.  Parting prayers will be on Monday at 9:30 AM in the funeral home followed by a funeral Mass at 10 AM in the St. Regis Church in Trafford with Fr. George Saletrik as celebrant.  Interment will follow in the Good Shepherd Cemetery, Monroeville.  www.dobrinickfhinc.com