Louis R. Mueller Jr., 80, of Chicago was born on September 15, 1936 in Chicago to the late Louis R. Mueller Sr. and late Marguerite (Nee Behnke) Mueller and passed away March 4, 2017. Louis was the loving husband of Susan (nee Martin) Mueller; devoted father of Mary Mazza, Michael (Nancy), John, Louis (Colleen) and Edward (Kristine) Mueller; grandfather of Christina, Anthony, Marissa, Margaret, Megan, Michele, Daniel, Michaela and Jack; caring brother of Raymond (Mary Therese) Mueller. Uncle to many nieces and nephews and many friends at Delavan Lake. Thank you to Rainbow Hospice and Silverado Memory care Center for their compassion and Family support. Visitation Thursday from 3-9pm at Oehler Funeral Home, 2099 Miner St., Des Plaines. Family and friends will gather Friday 11am at St. Juliana Church, 7201 N Oketo Ave., Chicago for 11am mass. Interment All Saints Cemetery. In lieu of flowers memorials may be made to St Juliana’s St Vincent DePaul Society or Mercy Home for Boys and Girls.