Coroner, Cornw. c. Feb. 1400 – Nov. 1409, 25 May 1411-Nov. 1420.
Tax collector, Cornw. Mar. 1401, Dec. 1402, Nov. 1404, Dec. 1414, Nov. 1415.
He has been distinguished from Thomas Collan of Polruan in Lanteglos-by-Fowey, who served as a tax collector in Cornw. eight times between 1377 and 1398; and as a coroner in 1388; and was also a landowner of substance, his properties being mainly situated in south Cornw. (Cornw. Feet of Fines (Devon and Cornw. Rec. Soc. 1914), 656; ibid. (1950), 768, 875, 899; JUST 1/1495 m. 40; Add. Ch. 13034). Thomas Colyn, the MP, may have been related to the Colyns of Launceston, a family which produced the following: John Colyn, MP for Launceston in 1307 and 1318 and mayor in 1319; John Colyn, the steward of Launceston of 1379-80 and mayor in 1385 and 1392; and Henry Colyn, mayor in 1414-16: R. and O.B. Peter, Hist. Launceston, 88, 104, 108, 112, 119, 400-1.
COLYN, Thomas (-d. c.1420)