Career
He was the nephew of Roger Northburgh, Bishop of Coventry and Lichfield. Northburgh"s uncle"s influence enabled him to be appointed Archdeacon of Chester in 1341 (until forced to resign in 1342) and Archdeacon of Suffolk in 1347 (until 1353) before he had been ordained into higher orders. Whilst archdeacon he became Rector of Pulham Saint Mary (1341) and acquired a large number of canonries.
He occupied the office of Lord Privy Seal between 1350 and 1354.
Northburgh was elected Bishop of London on 22 April 1354 and consecrated on 12 July 1355. Northburgh accompanied King Edward III of England on the English expedition to France which included the Battle of Crécy (1346) and acted as royal clerk, writing an eyewitness account in a newsletter from the English camp, and giving the French casualties as 1,542 "without reckoning the commons and foot-soldiers".
Northburgh died of the plague on 9 September 1361. In his will he left valuable books and artifacts to the illegitimate Michael Northborough, a future Archdeacon of Colchester.
