John Westbury (died c. 1443), also John de Westbury or John of Westbury, of Hill Deverill, Wiltshire, was an English politician. He was a Member (MP) of the Parliament of England for Wiltshire in 1417 and 1419. His elder brother was William de Westbury. References Year of birth missing 1443 deaths English MPs 1417 People from Wiltshire English MPs 1419 Members of the Parliament of England (pre-1707) for Wiltshire