Barbara A. Costroff (Kostic) age 91, formerly of Oak Valley passed away Wednesday, February 21, 2018. Barbara “Babs” Costroff was surrounded by her family as she departed this world for heaven. She loved her family, Jesus, and singing. Wife of the late Walter Costroff, she is survived her children Susan Pantaleo (Mike), William Costroff (Jessica), Joanne Strange (Wayne), Lorraine Wagner (Michael), Joseph Costroff (Teresa), Gloria Simoni (Lenny), Andrew Costroff (Kim), Pauline Stanton (Greg), Thomas Costroff, 23 grandchildren, 15 great grandchildren, sister -in- law Irene Stefanski. Predeceased by children Walter and Barbara. Family and Friends are invited to visit from 9:00 am to 11:00 am on Monday, February 26, 2018 at Smith Funeral Home 47 Main Street Mantua, NJ 08051. Funeral Service will be held at 11:00 am on Monday. Burial to follow at Gloucester County Veterans Cemetery in Monroe Township, NJ 08094. Memories and condolences can be shared at www.smithfhmantua.com