Marguerite “Peggy” C. (Mostyn) McCarthy

Age 87, on Saturday, November 15, 2025. Beloved Wife of the late Eric S. McCarthy. Daughter of Leo and Marguerite Mostyn. Loving Mother of Leo (Barbara) McCarthy, Cathy (Joe) Perry, Thomas (Lori) McCarthy, Eric (Carrie) McCarthy and the late Pamela (Surviving Spouse Gary) Fauth. Grandmother of Jessica, Joe, Russell, Brian, Nick, Eric and Caitlin. She also had five great-grandchildren. Family will receive visitors Tuesday 3-7PM at O’Brien’s Funeral Home 3724 California Ave. Pittsburgh, PA 15212. In lieu of flowers, family suggest donations to Little Sisters of the Poor; 1028 Benton Avenue, Pittsburgh, PA 15212.

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