Winkelmann, Ronald D., of O'Fallon, Missouri, died on Monday, July 21, 2014 at the age of 58. Loving husband of Ann T. Winkelmann (nee: Galati); beloved son of Darlene Winkelmann and the late Leroy Winkelmann; devoted father of Timothy "T.J." (Raelynne Schreiber) Winkelmann, Matthew (Angela) Winkelmann, and Mark Winkelmann; dear brother of Roger (Dawn) Winkelmann, Mary Ziegemeier, and David (Terri) Winkelmann; beloved brother-in-law, uncle, nephew, cousin, and friend to many. Ronald was a member of Assumption Catholic Church and Knights of Columbus.
Memorials may be made to St. Vincent DePaul Society c/o Assumption Catholic Church.