Lady Margaret MacCarty (1646-1703) (1646–1703) Parents Donough MacCarty, 1st Earl of Clancarty Eleanor Butler Children Peter Plunkett, 4th Earl of Fingall Lady Amelia Plunkett Lady Helena Plunkett Lady Elizabeth Plunkett Siblings Charles MacCarty, Viscount Muskerry Justin McCarthy, Viscount Mountcashel Callaghan MacCarty, 3rd Earl of Clancarty Helen MacCarty Partners Luke Plunkett, 3rd Earl of Fingall