Ralph Bucknall
was a M.P. for Petersfield during the early 18th century.
In 1697 Bucknall became Lord of the Manor of Petersfield. In 1670 he married Elizabeth, daughter of John Birch of Whitbourne, Herefordshire: they had 1 son and 3 daughters. A brewer by trade he also had a government commission for carrying on the manufacture of linen and paper in Jersey and Guernsey.