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Dennis Duane Sinibaldi, a loving father, brother, and friend, passed away peacefully on October 12, 2025, at the age of 78 at home. Born on April 18, 1947, in Scranton, Dennis spent much of his life in South Abington Township. He was the son of the late Ralph and Betty Jean (Keiper) Sinibaldi.
Dennis honorably served his country in the U.S. Air Force. His adventurous spirit was evident from the early days of his life when he loved riding motorcycles. He was a dedicated employee at Quadrant Engineering Plastic Products, where he made lasting contributions to the manufacturing industry.
Dennis was an avid pool player, playing in the Scranton pool league, Mid valley pool league and TAP league. He enjoyed getting out and playing with his friends.
He is survived by his children, Matthew and Christina Sinibaldi, as well as his brother, Donald Sinibaldi.
A private cremation took place at Jennings-Calvey Funeral and Cremation Services, Inc., Clarks Summit.
Jennings-Calvey is honored to serve Dennis and his family.
To plant trees in memory, please visit the Sympathy Store.

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