John Thomas (Jack) Duddy, 80, of Bluffton, SC passed away on Thursday, February 25, 2010 in the Hilton Head Medical Center, Hilton Head Island, SC.He was born in North Arlington, NJ on August 18, 1929. He was the son of the late Gerald and Tryphena Hobson Duddy.He was a retired Judge with the Arthur Murray International Dance Studios after fifty years. He was the owner of Arthur Murray Dance Studios in Macon and Augusta, Georgia and Chattanooga, TN. He was a member of Saint Gregory the Great Catholic Church and he was a US Air Force veteran of Korea.He is survived by his wife, Joan M. Duddy of Bluffton, SC; one son, John T. (Eve) Duddy Jr. of Australia; one daughter, Karin (Paul) Janus of Atlanta, GA; one sister, Mary Lou Damica of Toms River, NJ and two grandchildren.The Memorial Mass will be celebrated at Saint Gregory the Great Catholic Church, 333 Fording Island Rd., Bluffton, SC at 11:00 am, Monday, March 1, 2010. Interment Services will be held at Arlington Memorial Park, 201 Mount Vernon Road NW, Atlanta, GA on Friday, March 5, 2010. The family requests memorial donations be made to Saint Gregory the Great Catholic Church, 333 Fording Island Road, Bluffton, SC 29909.Sauls Funeral Home of Bluffton, SC is assisting the family with their arrangements. (www.saulsfh.com)