John C. Sullivan, 73, of Highlands Ranch passed away February 2, 2012. Preceded in death by his parents John and Althea. He is survived by his wife of 50 years, Kathie Sullivan; Teresa (Robert) Sullivan-Kluttz, Suzanne (Mike) Kalac, Patricia Sullivan, Martha (Michael) McGuinness, Malia (Bill) Scott, Thomas Sullivan, 9 grandchilden and siblings Barbara (Ed) Clegg & Jane (Jim) Monahan. A Recitation of the Rosary will be held Friday, February 24th at 7:00 pm, at Horan & McConaty Family Chapel, 5303 East County Line Road (one block west of South Holly Street) in Centennial, Colorado. A Funeral Mass will be held on Saturday, February 25th at 11:00 am, at St. Mark Catholic Church, 9905 Foothills Canyon Boulevard in Highlands Ranch, Colorado. John will be laid to rest in Los Altos, California. Please share your memories of John and condolences with his family by signing the Guestbook below.