Rubuta ci gaba don wannan sakin layi - An rufe O'Donnell don Ireland a U-18 da U-20 maki. Ya kasance wani ɓangare na U-20 Grand Slam lashe tawagar a 2007. Ya sami kiran farko na farko a ranar 21 ga Janairu, 2013, lokacin da aka zaɓe shi zuwa Gasar Cin Kofin Kasashe shida ta Ireland ta 2013
tawagar horo. O'Donnell ya fara bugawa Ireland Wolfhounds wasa a ranar 25 ga Janairu, 2013, yana farawa a wasan sada zumunci da Ingila Saxons. An kara shi a cikin tawagar 'yan wasa shida na Ireland don wasan da Scotland a ranar 18 ga Fabrairun 2013.