Oliver was born in Little Falls, Minnesota on February 3, 1931 to Clarence Winczewski and Sylvia Mrozek Winczewski. He passed away on November 1, 2011 in Tigard. He is survived by his wife, Barbara, daughter Mary Jo Henderson, sons John and Tom Winczewski, grandchildren Jeremy and Logan Henderson, Angie, Julie, Sara, Maria and Patrick Winczewski, brother Ralph Winczewski, sisters Mary Light and Carol Haglund. He was preceeded in death by his son, Stephen, in 1999.The funeral will be held at 10:30am on Friday, Novemeber 4th at St. Anthony's Catholic Church in Tigard. In lieu of flowers, donations may be made to Mother & Child Education (Birthright).