Derda, Dennis L., of St. Peters, Missouri, died on Friday, September 16, 2011 at the age of 66. Dear son of the late Adolph J. and Mable Derda; loving husband of Ginny Derda (nee: Rechtin); devoted father of Denny Derda, Cathy (Anthony) Lucas, Chrissy Derda, and Julie (Brent) Davis; cherished grandfather of Alyssa, Tony and CiCi; dear brother of Carol Weber, Donna (John) Hunn, Debbie (Bill) Baumgartener, and Donald (Grace) Derda; loving uncle and brother-in-law. In lieu of flowers, memorials may be made to Sts. Joachim and Ann Care Service.