Gary was born on May 25, 1945, in Davenport, the son of William and Darlene Beach Dau. He married Karen L. Fine on Dec. 14, 1968, in Davenport. She preceded him in death on Feb. 24, 2012.
Gary was the owner/operator of Gary Dau Floor Covering and later worked at Super Wash Car Wash, Moline. He served in the National Guard and was past president of Infisherman Club of the Quad Cities. He enjoyed fishing, NASCAR and ice cream.
Survivors include his son, Steven (Amy) Dau, Rock Island; grandchildren, Haley and Lilly; and mother, Darlene Dau, Milan.
Condolences may be left at RaffertyFunerals.com.