Thomas David Schmitz

Thomas David Schmitz, age 78, of White Oak, PA, died on Monday, October 12, 2026. He was born in McKeesport, PA, on December 2, 1947, and was the son of the late Thomas R. and Helen Hartwick Schmitz. He was a member of Mary, Mother of God Parish, St. Angela Merici Church, where he served on the parish finance council and as an usher, Eucharistic minister, and helped with the annual parish festival. Thomas was also a member of the Knights of Columbus and served on the Duquesne/West Mifflin Council 4210 in the following roles: Grand Knight, District Deputy, Color Core Commander, Comptroller, District Marshall under several Masters, and past Faithful Navigator for the Stephen P. Barry Assembly.

Thomas is survived by his wife, Janine Samios Schmitz; son, David (Jennifer) Schmitz of Bridgeville, PA; daughter, Theresa (Jeremy Lista) Schmitz of Ambler, PA; grandchildren, Mackenzie; and Hendriks; brother John (Marcia) Schmitz of White Oak, PA; and nieces, Allison (Jason) Theys; and Rachel (Daniel) Katyl.

Thomas began his professional career as a Process Engineer with East Iowa Machine Company (EIMCo). He then advanced to Process/Project Engineer with Pennsylvania Engineering Corporation (PEC). He worked in the same capacity with Eichleay Engineering and then advanced to Senior Process/Project Engineer with Industrial Sales and Supply, Inc. (ISSI). His final professional position prior to retirement was with CDMG Metal Buildings as a Senior Process Project Engineer. He also enjoyed teaching technical engineering courses at the Westmoreland County Community College (WCCC).

Family and friends are invited to celebrate Thomas’s memory at Strifflers of White Oak Cremation & Mortuary Services, Inc., 1100 Lincoln Way, White Oak, PA 15131 (Sue Striffler Galaski, supervisor, and Adam Striffler Galaski, funeral directors, 412-678-6177) on Wednesday, October 14, 2026, from 6:00 p.m. until 8:00 p.m. and again on Thursday, October 15, 2026, from 2:00 p.m. until 8:00 p.m. A Mass of Christian Burial will be held on Friday, October 16, 2026, at 10:00 a.m. at Mary, Mother of God Parish, St. Angela Merici Church, 2701 Kelly Street, White Oak, PA, 15131. Burial will follow.

To share a memory of condolence, please visit www.strifflerfuneralhomes.com