Patrick Guinness

Patrick Desmond Carl Alexander Guinness, KCEG KLJ (born 1 August 1956 in Dublin) is an Irish historian and author, one of heirs of the Guinness business dynasty, and additionally the rightful heir of several medieval-originated honours and titles which he has not claimed openly. Son of Desmond Guinness and Marie-Gabrielle von Urach, he was educated at Winchester College and Trinity College Dublin. He continues his father's business in real estate development and is a financial analyst. He formerly represented Sotheby's in Ireland.

A historian, Patrick Guinness has authored the first biography of Arthur Guinness, the founder of the Guinness brewery dynasty. He has lectured on genetic genealogy relating to the early Irish dynasties and Viking Ireland, and has sponsored academic research on Irish genetics. He was a council member of the County Kildare Archaeological Society (2004–2014) and of the Order of Clans of Ireland.

He has produced monographs on the early history of the Friendly Brothers of St Patrick in Kildare, 1758–91; on the depositions from Kildare on the outbreak of the Irish Rebellion of 1641; and on the Irish Jacobite ancestry of the Mitford family (privately published).

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