Mary Lou Shaffer

Mary Lou Shaffer, of Greensburg, passed away peacefully on September 9, 2025 surrounded by her loving family.

Mary Lou retired from Westmoreland Hospital, where she worked in the pharmacy. A woman of strong faith, she was a member of New Stanton Living Evidence Church and gave much of her time following her retirement volunteering at church, Westmoreland Hospital, Seton Hill University, WCCC and other organizations.

She was preceded in death by her husband, Henry Elmer "Duke" Shaffer; daughter, Diane Shaffer; daughter-in-law, Mary Jean (Jeannie) Shaffer; and sisters, Betty Ellsworth, Marjorie Krauland Learn Muir (Gigi), and Roberta Rager.

Mary Lou is survived by her sons Donald (Brenda), Jeff, Brian, and Clint (Becky); son-in-law, Hilliary (Jimmy) Diehl and bonus son, Bones; siblings, Robert MiddleKauf and Margaret Kachin; nine grandchildren; Michael Shaffer, Erica Shaffer (Joe), Jamie Pugh (Dave), Brandon Diehl (Jennifer), Rebecca Silvis (Brian), Nicole Shaffer, Megan Shaffer, Emily Kienzle (Kenneth) and Nick Shaffer. 

Great Grandchildren; Arielle (Tyler), Abby, Tucker, Aizak, Piper, Keegan, Grayson, Rachel, Hunter, Aria, and Autumn.

Great Great Grandchildren; Brooks.

Immediate family will be received on Friday September 12th from 4:00pm to 5:00pm, with friends and extended family from 5:30pm to 7:30pm, funeral service immediately following at the Clement L. Pantalone Funeral Home, Inc. 409 W. Pittsburgh Street, Greensburg, PA 15601, (724) 837-0020.

A special thank you to the staff at Weatherwood and Excela Hospice, especially Ashley, Kaylee, Jackie, Angie and Nancy, who provided loving care in her final days.

Mary Lou will be remembered for her gentle spirit, deep faith, and devotion to her family.

In lieu of flowers, memorial donations may be made to Excela Hospice at Independence Health System or to New Stanton Living Evidence church in Mary Lou's Honor.

Mary Lou’s family has entrusted her care to the Pantalone Funeral Home Inc. For online condolences / directions, visit us at pantalone.com. Natale N. Pantalone, supervisor.