Dennis O'Sullivan passed away peacefully on Saturday, October 28th surrounded by family. He was 74. Beloved husband of 52 years of Cynthia O'Sullivan (nee LaRosa), loving father of Brian (Amy) O'Sullivan, Andrew O'Sullivan (Cody Leichtman), brother of the late Timothy (Barb) O'Sullivan, Steve (Robin) O'Sullivan, Susan (Scott) Turner, John (Jill) O'Sullivan. Preceded in death by his parents Robert and Audrey O'Sullivan. Nephew of Catherine O'Sullivan.  He was an uncle, cousin and friend to many.

Denny was an avid athlete and sportsman. He loved the great outdoors and his fondest memories were of the farm near Sullivan, MO where he and his extended family spent weekends and holidays. His biggest passion was fishing and hunting with his buddies and spending time with his family and friends. He also loved his Westie pups Bailey and Abbey and cat Penny. Dennis was very proud of his Irish heritage and was known as "Denny O" to many. He was also a devoted fan of the St. Louis Cardinals and The Blues.  A member of Teamsters Local 688, he retired from Schnucks Distribution in 2008 after 35 years of service.

Visitation for Dennis will be held Thursday, November 2, 4:00 - 8:00 PM at Collier's Funeral Home, 3400 N. Lindbergh Blvd (St. Ann). Funeral Service Friday, November 3, 10:00 AM at Collier's Funeral Home, interment at Resurrection Cemetery.