Costello, Mary, T., of Stoneham Drive, Riverside, died peacefully on May 8, 2011 surrounded by her loving family. She was the wife of the late Kenneth F. Costello.

Born in Providence, a daughter of the late William and Mary E. (McCrave) Donley, she lived in Riverside for 40 years.

Mrs. Costello was a telephone operator for the former New England Telephone Co.

She is survived by a son; Kenneth F. Costello Jr. and his wife Mary Beth of Rumford, two daughters; Maryanne Gagne and her husband David of Riverside and Martha M. Costello of Riverside, six grandchildren and three great grandchildren. She was the sister of the late Helen Kelleher, Mildred Keegan, Leo, John, and Robert Donley.

Her funeral will be held on Thursday May 12, 2011 from the W. RAYMOND WATSON FUNERAL HOME, 350 Willett Avenue, Riverside at 8:45 am with a Concelebrated Mass of Christian Burial in St. Brendan Church, Turner Avenue, Riverside at 10 am. Burial will follow in St. Ann Cemetery, Cranston.

Calling hours are Wednesday 4-7 pm. Flowers are respectfully omitted. Contributions in Mary’s memory to the Alzheimer’s Association, 245 Watermen Street, Suite 306, Providence, RI, 02906 would be deeply appreciated.