CAUTION: There were four Thomas Thursbys in the same geographical area in the same time period, which has through the centuries made unambiguous identification challenging. See Wikipedia page for more info.
Thomas Thursby (died 9 August 1510), was a merchant, three times Mayor of King's Lynn and the founder and benefactor of Thoresby College. He was the son of Henry Thursby, four times Mayor of Lynn and Burgess for Lynn ...