WEBUpdated Jun 26, 2024. Elmer F. Hass Jr., 89, of Clarendon Hills, formerly of Hinsdale, passed away on June 20, 2024, after a courageous three-year fight with cancer. Elmer was one of four children of Elmer Hass Sr. and Verna (Datta) Hass. Elmer was a longtime resident of Hinsdale. He built and operated Elmer & Sons Auto Center in Clarendon Hills.