Passed away peacefully in his sleep at Lisaard House, Cambridge, Ontario on Tuesday August 11, 2015 at age 86. Predeceased by his loving wife Maureen (Lunny) Sullivan. Parents John Michael and Marie Louise Sullivan. Brothers and sisters Edward, Joe, Constance, Rose, John, Claire, Donald and Carole Ann. Leo is also survived by his brother Martin Sullivan and children Father Joseph Sullivan, Patrick Sullivan (Monique), Maureen Kelly (Dennis), Sheila Loudon (Ian) and John Sullivan (Deanna), 5 Grandchildren and 1 Great grandchild. Cremation has taken place. A Memorial Mass will be held at St. Francis de Sales Roman Catholic Church, 1001 Ravenscroft Road, Ajax, Ontario L1T 4X1 on Monday August 17, 2015 at 10 am. In lieu of flowers, donations to Lisaard House, Cambridge, Ontario would be appreciated by the family. Arrangements entrusted to the Barthel Funeral Home ,Cambridge, Ontario (519)-653-3251.