Sir Dermot MacDermot had served as British Ambassador to Indonesia (1956–59) and Thailand (1961–65). He succeeded his brother as The MacDermot upon the latter's death in 1979. He wrote an account of the family titled "MacDermot of Moylurg: The Story of a Connacht Family". The book chronicles the affairs of the Kings of Moylurg and their neighbours over the course of six hundred years.[citation needed]
Cairnduff, Maureen (1984). "MacDermot, The: Sir Dermot, Prince of Coolavin". Who's Who in Ireland: The Influential 1,000. Dublin: Vesey. ISBN978-0-9510120-0-0. or subsequent editions
"Mac Dermot of Moylurg: The Story of a Connacht Family", Dermot MacDermot, 1996.