Commr. of array, Derbys. Mar. 1392, Dec. 1399, Sept. 1403, Warws. May 1418, Mar. 1419, Derbys. Mar. 1427, Aug. 1436; arrest Feb. 1393, Notts. Apr. 1410; inquiry, Notts., Derbys. July 1393 (false weights), Derbys. Mar. 1406 (those aiding the Welsh rebels), Dec. 1408 (opposition to royal officers), Warws. Sept. 1413 (lands of Sir William Brantingham), Derbys., Notts. Dec. 1422 (salmon poaching); to make proclamation of Henry IV’s intention to govern well, Derbys. May 1402; raise royal loans, Notts., Derbys. Mar. 1430, Mar. 1431, Derbys. Feb. 1436; apportion tax allowances Dec. 1433; administer the oath against maintenance Jan. 1434; assess a graduated tax on incomes Jan. 1436.
J.p. Derbys. 16 May 1401 – Feb. 1407, 20 July 1424 – July 1429, 8 June 1431 – d., Warws. 4 Dec. 1417-July 1423.
Tax controller, Derbys. Mar. 1404.
Escheator, Notts. and Derbys. 1 Dec. 1405-Nov. 1406.
Sheriff, Notts. and Derbys. 14 Feb. – 13 Nov. 1423, 4 Nov. 1428 – 10 Feb. 1430, 3 Nov. 1434–7 Nov. 1435.
COCKAYNE, Sir John (-d.1438)
