Gilbert C. "Gibby" Wisch, 81 of Sheboygan, died Friday morning, June 25, 1999 at the Sheboygan Memorial Medical Center.  Gibby was born Aug. 20, 1917, in Sheboygan, to the late Paul and Clara Wisch.  Mr. Wisch served in the U.S. Army during World War II.  On June 21, 1941 he married Stephanie Cykana of Sheboygan.  Gilbert was employed by the Polar WareCo as an inside sander for over 40 years.  Gibby was a member of teh D.A.V. He was a volunteer for the St. John's U.C.C. senior meal site.   He especially enjoyed listening to baseball and football games and spending time outdoors in the sunshine.  In addition to his wife, Gibby is survived by two daughters, five grandchildren, 12 great-grandchildren, a son-in-law, a sister, and nieces and nephews.  Gilbert was preceded in death by seven siblings.  A funeral service will be held Monday, June 28 at noon at the Ballhorn Chapels.  The Rev. Gregory S. Whelton, pastor of St. John's United Church of Christ, will officiate.   Entombment will take place in the Gardens of Peace Mausoleum.  Friends may visit with the family on Monday from 10 a.m. until the time of service at Ballhorns.   In lieu of flowers, the family wishes contributions to be directed to the memorial fund established in Gilbert's name.