Mary M. Costello

Mary M. Costello, of Whitman, March 3, 2021 passed away peacefully after a courageous battle with cancer.

Beloved daughter of Mary Lou (Moore) Costello of Weymouth and the late John M. Costello.  Loving twin sister and best friend of the late Nancy Costello, Kathleen Costello and her longtime companion John of Abington, and Sheila McGaffigan and her husband John of Weymouth. Devoted Aunt of Molly, Tim, Grace, Jackson, Hannah, Megan, Jack, and Michael.  Niece of Peggy and the late Bob, Kathleen and the late Billy, the late Jimmy, the late Joey and Kay, and the late Mary and Tom. Also survived by many cousins.

Funeral Mass will be celebrated on Thursday, March 11^th at 10 o’clock in St. Francis Xavier Church, 234 Pleasant St., Weymouth.

Interment MA National Cemetery, Bourne at 1:15pm.

Relatives and friends invited.

In lieu of flowers donations may be made in her memory to Dana-Farber Cancer Institute – Patient and Family Assistance Fund, 10 Brookline Place, West Brookline, MA 02445