Dennis James Sinskey, age 76, lifelong resident of O'Fallon, Illinois, born May 15, 1943 in East St. Louis, Illinois, passed away July 10, 2019 at Evelyn's Hospice House in Creve Coeur, Missouri.

Over the years, Dennis gained many friends throughout the Metro-east through his work as a car salesman. He was a member of Laborer's Local 670 in O'Fallon and the O'Fallon Sportsmen's Club. Dennis was much loved by his grandkids.

He was preceded in death by his parents William and Mary, nee Seres, Sinskey; and his brother Bill Sinskey.

Surviving are his sons Brian (Kelly) Sinskey, and Michael (Kim) Sinskey; grandchildren Kourtney, Casey, Colin, and Stephanie; his brother Jerry Sinskey, and many nieces and nephews.

The family will receive friends from 4:00 – 7:00 pm, Monday, July 15, 2019 at Wolfersberger Funeral Home, O'Fallon, Illinois. A private prayer service will be held with the family.