Silvanus Bevan III) (3 October 1743 – 25 January 1830) was a British banker.
He was born on 3 October 1743 in Plough Court Pharmacy, Lombard Street, London, the son of Timothy Bevan (1704–1786) and his wife Elizabeth Barclay (1714–1745).
[1] His father hired the English educator, historian, and Quaker Robert Proud to tutor Silvanus and his brother.
[1] In 1783 he bought Swallowfield Park in Berkshire, from John Dodd for £20,000, and then sold the house in about 1788.
Silvanus and Louisa Bevan had seven children: He died in 1830.