U qor sii socodka faqradan - O'Donnell waxaa loo qoondeeyay Ireland heerka U-18 iyo U-20. Wuxuu ka mid ahaa kooxda U-20 ee ku guuleysatay Grand Slam sanadkii 2007. Wuxuu helay wicitaankiisii ugu horreeyay ee ugu horreeyay 21kii Janaayo 2013, markii loo qortay Ireland 2013 Six Nations Championship
kooxda tababarka. O'Donnell wuxuu u saftay Ireland Wolfhounds 25 Janaayo 2013, isagoo ka bilaabay ciyaartii saaxiibtinimo ee ay la ciyaareen England Saxons. Waxaa lagu daray kooxda Lixda Qaran ee Ireland kulankii ay la ciyaareen Scotland 18 Febraayo 2013.