Age 92, of Green Tree, on Monday, September 27, 2021. Beloved wife of the late James K. Cosgrove. Loving mother of Carol Ann (Terry) Wisniewski, James (Diane) and Robert Cosgrove. Dear grandmother of Kaitlyn (Jake), James, Brenna (fiance Matt Miller), Fallon (Alex) and Kylie (fiance Robbie Byrd). Great grandmother of Aiden, Nolan, Declan, and Magnolia Mae. Sister of Kathleen (Leo) O'Donnell, Lorry Carroll, and the late Francis "Skip" (surviving wife, Kay) Carroll and Edward "Ned" (surviving wife, Pat) Carroll. Also, survived by many nieces and nephews. Rosemary was a member of the West End Senior Center and was an avid card, bingo, and domino player. The family would like to thank the DCI and Allegheny Palliative Care for their compassionate care. Family and friends welcome Tuesday, October 5, 2021 2-4 and 6-8 p.m. WILLIAM SLATER II FUNERAL SERVICE, 1650 Greentree Rd., Scott Twp., 15220 Mass of Christian Burial, Wednesday, October 6, 2021 11:00 a.m. in St. Margaret of Scotland Church of St. Raphael the Archangel Parish. If desired, memorial donations to West End Senior Center, 80 Wabash St., Pgh., PA 15220. www.slaterfuneral.com