Cover photo for Gregory Cieslinski's Obituary
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1954 Gregory 2024

Gregory Cieslinski

September 18, 1954 — March 9, 2024

Gregory "Greg" Cieslinski, passed away peacefully on Saturday, March 9, after a two-year battle with brain cancer.

Born on September 18, 1954, in Natrona Heights, Greg was the son of the late Sylvester and Mary Ann Cieslinski. He grew up in Natrona where he could be found pouring concrete with his dad, engaging in mischief with his friends, or playing whatever sport was in season at the St. Lads' playground. Greg was of the Catholic faith. He graduated from Highlands High School with the Class of 1972.

Following his passion for baseball, Greg pursued higher education at Point Park College. Later, he earned his degree in chemical engineering and an MBA from the University of Pittsburgh. Greg co-owned Gateway Environmental for many years.

Renowned for his knack for fixing anything, Greg enjoyed undertaking home projects and was always eager to lend a helping hand to family and friends. He found joy in attending Pitt football games, visiting horse racing tracks, and cheering on his children and grandchildren at their sporting events.

Greg's greatest accomplishment was his role as a devoted husband, father and grandfather. His life was filled with love, joy, and laughter, leaving lasting impressions on all who knew him. He will be greatly missed.

Greg is survived by his wife of 45 years, Cindy (Torrence) Cieslinski; children, Brad (Katrina) Cieslinski and Brittany (Anthony) Stawinski; grandchildren, Payton, Keegan, and Charlie Stawinski; sisters, Joyce (Christopher) DeSalva and Lisa (Tim) Seagriff; brother, Michael Cieslinski; and numerous nieces and nephews. In addition to his parents, he was preceded in death by his sister, Deborah Craft.

A Memorial Mass of Christian Burial will be celebrated on Saturday, March 16, at 12:30 p.m. at Guardian Angels Parish-Most Blessed Sacrament in Natrona Heights.


Arrangements are entrusted to Rj Slater IV Funeral Home & Cremation Services, New Kensington. Phone: 724-335-0100. www.rjslater.com.

In lieu of flowers, donations can be made in Greg’s memory to the V Foundation for Cancer Research.
To order memorial trees or send flowers to the family in memory of Gregory Cieslinski, please visit our flower store.

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Saturday, March 16, 2024

Starts at 12:30 pm

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Guardian Angels Parish-Most Blessed Sacrament

800 Montana Ave, Natrona Heights, PA 15065

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