Forgan, Fergie, Fergus, Fergushill, Fergussill, Farries, Ferrie, Ferries, Ferris(s), Forgie, Furgerson, Grevsack, Hardie, Hardy, Ehsanian, Hemmati, Kiddie, Kydd, Keddie, Keddle, Ketchen, Kidd, Madani, MacTavert MacHerries. The Gaelic name has been rendered throu translation intae the forms, MacFergus, MacFerries, an MacFerris. Syne the 'f' an 'g' are silent in the auld leid such variations as MacAdie, MacCade, MacErries, MacHerries, MacKerras (especially common in Argyll an Australie), MacKersey, MacKestan, MacFhearghuis, MacMagnus an even MacIrish, MacInlay war formed.
↑ 2.02.1Way, George and Squire, Romily. Collins Scottish Clan & Family Encyclopedia. (Foreword by The Rt Hon. The Earl of Elgin KT, Convenor, The Standing Council of Scottish Chiefs). Published in 1994. Pages 136 - 137.