Ku sii qor faqradan - Ciyaartii furitaanka ee Ireland ee 2004 Six Nations Championship, O'Connell wuxuu kabtan u ahaa kooxda maqnaanshaha Brian O'Driscoll. Waxa uu sidoo kale ciyaaray kulankii ay Scotland la ciyaareen 27-kii Maarso 2004, kaas oo Ireland ku guuleysatay Triple Crown-kii ugu horreeyay muddo 19 sano ah. O'Connell sidoo kale wuxuu kasbaday lacagtii ugu dambeysay kooxda markii Munster uu ku guuleystay finalkii ugu dambeeyay ee Celtic Cup, isagoo ka adkaaday Llanelli Scarlets 27<unk>16 Lansdowne Road bishii Meey 14, 2005. Waxa kale oo uu ka mid ahaa xulka Ireland oo ku guuleystay Triple Crown 2006 Six Nations Championship
, oo ka ciyaaray 24-28 guul cajiib ah oo ay ka gaareen England si ay ugu guuleystaan Crown. Wuxuu dhaliyay isku daygii ugu dambeeyay ee Caalamiga ah ee Old Lansdowne Road ka hor inta aan la dumin oo dib loogu dhisin garoonka Aviva Stadium, guul 61-17 ah oo ka soo gaartay Jasiiradaha Baasifigga.