Jennifer Ann O'Carroll (Gibney) is an Irish actress. She is best known for playing Cathy Brown in the BBC television sitcom, Mrs. Brown's Boys and its adaptations. She also appeared as contestant on the twelfth series of Strictly Come Dancing in 2014. She has been married to Brendan O'Carroll since August 1, 2005 and has three stepchildren; Fiona and Danny; who also appear in Mrs. Brown's Boys and Eric.