Margaret Theresa Birrittella 82, of Beacon, NY and formerly of Ossining, NY passed away peacefully at home with her daughters by her side on May 10, 2022. Margaret was born on Oct. 9, 1939 to the late Thomas and Helen Cavanagh . Margaret was raised in the Bronx, NY before eventually settling down in Ossining, NY. Margaret was predeceased by her devoted husband of 42 years Peter Birrittella in 2015. Margaret is survived by her loving children Michael Marshall , Kelly Riccardi and Linda Marshall (Billy). Also survived by her cherished grandchildren Nicole (Travis) Clarke, Haley Marshall, Billy Cole and her great grandson Trent Clarke. Margaret was predeceased by her daughter Tracy Cole ( Billy) in 2017, her grandson Nicholas Cole in 2017 , her son in law Mark Riccardi( Kelly) in 2020 & four brothers and sisters. Reposing, Waterbury & Kelly Funeral Home on Thursday May 19th, from 5-8 PM. Funeral Mass, St. Theresa's Church, Briarcliff Manor, NY on May 20th Friday 10AM. Interment, Sleepy Hollow Cemetery, Sleepy Hollow, NY to follow. In lieu of flowers donations to a Lewy Body Dementia Charity of your choice would be appreciated. WATERBURY & KELLY FUNERAL HOME 1300 Pleasantville Road Briarcliff Manor, New York 10510 914-941-0838