Mary Fania McCausland (1936-2007) (1936–2007) Parents Lady Margaret Edgcumbe Conolly Robert McCausland Children Justin Mahony Dominick Denis Martin Mahony Edmond Conolly Mahony Maria Louisa Siobhan Mahony Siblings Piers Conolly McCausland Antony Richard McCausland Caroline Ann McCausland Marcus Edgecumbe McCausland Partners Denis Mahony