[4] O'Donnell is the daughter of Tom and Marion Roche,[5] and was raised in Thurles, County Tipperary.
[11] In 2015, O'Donnell and her husband produced Daniel and Majella's B&B Road Trip, a travel series for RTÉ.
She performed a duet with Daniel on his PBS special "Can You Feel The Love".
[16] Active on Twitter, O'Donnell spoke against the actions of Eamonn Holmes following the resignation of[broken anchor] Phillip Schofield from ITV,[17] and the publicity around the unfounded investigation into family friend Cliff Richard.
[16] O'Donnell and her husband live in Meenbannad, County Donegal, and spend time at their second home in Tenerife.