The Garthwaite Baronetcy, of Durham, is a title in the Baronetage of the United Kingdom. It was created on 19 May 1919 for William Garthwaite. He was a shipowner and sugar planter and provided valuable service to the Admiralty during the First World War. As of 2024 the title is held by his great-grandson, the fourth Baronet, who succeeded his father in that year. His sister is the journalist Rosie Garthwaite.
Garthwaite baronets, of Durham (1919) Sir William Garthwaite, 1st Baronet (1874–1956) Sir William Garthwaite, 2nd Baronet (1906–1993) Sir (William) Mark Charles Garthwaite, 3rd Baronet (1946–2024) Sir William Tuzo Garthwaite, 4th Baronet (born 1982).
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References Kidd, Charles, Williamson, David (editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990,