In the latter half of Henry IV’s reign a John Parker of Worcestershire stood surety for the guardians of the peace in that county but, given the ubiquity of the name, it is not at all clear whether he was the subject of this biography.
During his term as a bailiff of Worcester, Parker encountered William Moyll, a burgess from the Welsh town of Montgomery. On several occasions he impounded goods which Moyll had brought into the city, probably because the Welshman had failed to pay local tolls or observe some municipal regulation. Believing that he had suffered wrongful treatment, Moyll sued Parker in the Exchequer immediately after the latter’s term as bailiff expired. According to Moyll’s bill, Parker had seized 22 tuns of red wine from him in January 1431, holding them for two days until he paid a fine of 7s. 4d. Moyll added that Parker had also impounded a quantity of woad in the following month, and then some iron in September the same year. Parker responded to the bill by obtaining licence to negotiate with his opponent out of court and it would appear that the dispute was settled informally.
In November 1431 Parker served on a jury which gave evidence to the commissioners who assessed Worcester’s inhabitants for a subsidy on lands,
