On Tuesday, November 21st, 2017 at the age of 91, in the peace and quiet of his home. A native of Ros Muc, Connemara, County Galway, Ireland, the son of the late John and Norah (Finnerty) O'Connor. Proud father of John, Mark, Colman, Mary, and Peter, and loving grandfather of Sean, Ian, Brenna Ann, and Cory. He is also survived by many nieces, nephews and friends. Colman is soon to be reunited with his beloved wife Margaret (O'Toole) O'Connor, his daughter Noreen and his siblings Sean O'Connor, Mary Connolly, Patrick O'Connor, Bridget Barrett, Norah Price and Nan McDonagh. Friends and family received at Slater Funeral Home 1650 Greentree Road on Friday from 2-4 PM and 6-8 PM, where funeral will commence on Saturday at 9 AM followed by a mass of Christian Burial in St. Margaret of Scotland Church at 10 AM.