Tuhia he haere tonu mō tēnei whārangi - Kua whakawātea a O'Donnell mō Ireland i ngā taumata U-18 me U-20. I uru ia ki te kapa toa U-20 Grand Slam i te tau 2007. I whakawhiwhia ia ki tana piiraa matua tuatahi i te 21 o Hanuere 2013, i te wa i tohua ai ia ki te 2013 Six Nations Championship o Ireland
rōpū whakangungu. I tiimata a O'Donnell mo nga Wolfhounds o Ireland i te 25 o Hanuere 2013, i tiimata i te whakahoahoa ki a Ingarangi Saxons. I tapirihia ia ki te kapa Six Nations o Ireland mo te tukinga ki a Scotland i te 18 o Hui-tanguru 2013.