Age 72, of Bethel Park, passed away peacefully with her family by her side on Friday, August 28, 2020. Beloved wife of the late Patrick Joseph Hagerty, loving mother of Jennifer Hagerty Lingler (Conan), Alexis Hagerty and the late Lisa Hagerty, cherished grandmother of Shay Hagerty, Jemma, Malena, Siena Lingler and Tye Wilson. Daughter of the late Dominic and Mary Rosalie DiSalvo. Born in Pittsburgh on February 8, 1948. Rose Ann attended St. Joseph's High School and Grace Martin Business School. She spent her career as an administrative assistant at several organizations, including South Fayette Jr./Sr. High School and Mellon Bank. Rose Ann enjoyed cooking, shopping, travel, and musical theater. She was deeply devoted to her family and would stop at nothing to make her grandchildren laugh. Friends welcome Friday, September 4th from 2:00 - 4:00 and 6:00 - 8:00 p.m., at WILLIAM SLATER II FUNERAL SERVICE, 412-563-2800, 1650 Greentree Rd., Scott Township, 15220. Service and interment private. Family suggests donations to KidsVoice (kidsvoice.org). www.slaterfamily.org