Margo (born February 6, 1951)(Margeret Catherine O'Donnell) is an Irish female singer from Kincasslagh, County Donegal. Margo O'Donnell, more commonly known as Margo, started performing Country music at a very young age in 1964 with a local showband, The Keynotes. She recorded her first album in 1968, "Bonny Irish Boy/Dear God", which was a huge success and shot Margo to the top of the Irish country scene.