oʊflˈænæɡən ɐtˈɛndᵻd sˈɪndʒ stɹˈiːt sˌiːbˌiːˈɛs, dˈʌblɪn wˌɛɹ ðə mˈeɪn spˈoːɹt wʌz ɡˈeɪlɪk fˈʊtbɔːl ænd hiː wʌz sˈʌbsᵻkwəntli ɪŋklˈuːdᵻd ɔnðə mˈaɪnɚ dˈʌblɪn kˈaʊnti pˈænəl.
O'Flanagan attended Synge Street CBS, Dublin where the main sport was Gaelic football and he was subsequently included on the minor Dublin county panel.