

He has been International Chairman of the Celtic League (1988–90) chairman of Scrif-Celt (The Celtic Languages Book Fair (1985–86) chairman and vice-president of the London Association for Celtic Education (1989–95), of which he is an Honorary Life Member. In 1999 The Times Higher Education Supplement described him as one of the leading authorities on the Celts then writing. He used his academic background to produce many titles in the field of Celtic Studies and he has written academic articles and papers in the field for journals ranging from The Linguist (London) to The Irish Sword: Journal of the Irish Military History Society ( University College Dublin). His first book was published in 1968: Wales: a Nation Again, on the Welsh struggle for political independence, with a foreword by Gwynfor Evans, Plaid Cymru's first MP. He first went as a feature writer to Northern Ireland in 1964 for a London daily newspaper. He began his career as a junior reporter on an English south coast weekly, becoming deputy editor of an Irish weekly newspaper and was then editor of a weekly publishing trade journal in London.

He also earned a master's degree in Celtic Studies from the University of East London (1993). Įducated at Brighton College of Art and the University of London, Ellis graduated from North East London Polytechnic (now part of the University of East London) in Celtic Studies in 1989. Her autobiography presents its lineage back through 14 generations in the Hurstpierpoint area. His mother, Eva Daisy (1897-1991), was the daughter of Henry Randolph Randell, a house painter and decorator from an old Sussex family of Saxon origin. According to Ellis, the Ellis family (originally "Elys") can be traced in the area from 1288 his branch were stonecutters in Cork City from the early 1800s. His father, Alan John Ellis (1898-1971), was a Cork-born journalist who started his career with The Cork Examiner. Peter Berresford Ellis was born in Coventry. Under Peter Tremayne, he is the author of the international bestselling Sister Fidelma historical mystery series. Peter Berresford Ellis (born 10 March 1943) is a British historian, literary biographer, and novelist who has published over 98 books to date either under his own name or his pseudonyms Peter Tremayne and Peter MacAlan. Celtic history, literary biography, historical novels
