[1] The oak bar is not original to the pub, but had been bought in the 1850s from a decommissioned Napoleonic era warship.
[1] The name refers to the arms of the Earls of Dysart, who held Ham House and the surrounding manors of Ham and Petersham for over three centuries, from their acquisition through close association with Charles I in the mid-17th century until the estate, including the Dysart Arms, was disposed of after World War II.
Previously known as the Plough and Harrow, unsubstantiated claims say that the name change was paid for by the Countess of Dysart in the 1830s.
[3] In 1836, Charles Dickens, a regular visitor to Petersham along with his friend John Forster, stayed there, probably at the Dysart Arms.
[4] It is mentioned in the 1894 edition of Baedeker's London and Its Environs: Handbook for Travellers.