Two separate branches of the McDermotts flourished for centuries in Ireland, and both contributed significantly to the rich tapestry of the island's history.
• While some McDermotts enjoyed glorious fortune, others suffered tragic misfortune in the cause of the nation's freedom and independence.
• Name variations include: MacDiarmada (Gaelic), MacDermot, MacDormand, MacDermot, McDermid, McDermitt, McDermott, McDermont, McDiarmid, McKermott, Darmody, Dermody, Dermott, Kermode, O’Moroney, McRony, Mulrooney, Roe.