More can be added to the earlier biography.
A surviving Dunwich minute book of the early fifteenth century confirms that Cuddon was one of the borough’s most substantial burgesses. In 1426-7 he was expected to contribute 3s. towards a local tax, more than anyone else except Robert Thorpe*, and when the town’s authorities imposed an extraordinary levy to support its MPs in the Parliament of 1427 Cuddon was asked to pay 5s., only 6d. less than the undoubtedly wealthy John Moreff*. When the borough collected contributions to a tenth granted to the King in the following Parliament, he and his mother jointly paid 10s.
A decade later, Cuddon was in dispute with Robert Duke of Brampton over a messuage or tenement in Shadingfield known as ‘Buntynges’. In September 1437 he and Duke exchanged bonds, each bearing a penalty of £40, by which they agreed to submit the quarrel to the arbitration of John Ulveston* and Robert Taylard.
William was one of the two sons of the MP who, as recorded in the previous biography, sued each other in Chancery for land in Stoven and Sotterley soon after his death.