Cika wannan jumla: O'Donnell an rufe shi don Ireland a U-18 da U-20 maki. Ya kasance wani ɓangare na U-20 Grand Slam lashe tawagar a 2007. Ya karbi kira na farko a ranar 21 ga Janairu, 2013, lokacin da aka tattara shi a cikin Irish
2013 Gasar Cin Kofin Kasashe shida. 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.