Garthwaite baronets

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).

The heir apparent is the current holder's eldest son, William Caspar Tuzo Garthwaite (born 2019).