Dermot Is A Boy’s Name Of Irish Origin. It’s The Anglicized Version Of The Irish Name Diarmuid Or Diarmaid, Which Is Believed To Mean “without Envy,” Though Its Exact Etymology Is Uncertain. An Older Form Of The Name Is Diarmait, Which Was Borne By Several Ancient Irish Kings. Today, Dermot, Diarmuid And Diarmaid Remain Popular Names In Ireland, With A Famous Bearer Being Singer Dermot Kennedy. Dermot Is Also A Surname, With Variants Including Dermody, McDermott And McDermod. If You’re Looking For A Noble Irish Name With A Long And Fascinating History, Dermot Could Be The Perfect Choice!