He was born in Lincolnshire 7 February 1565, admitted as a scholar of Corpus Christi College, Oxford, in September 1583, and earned a B.A.
On 10 March 1607-8 he was appointed high-master of St. Paul's School, succeeding Richard Mulcaster.
In 1628, his son Alexander was overheard drinking to the health of John Felton, who had stabbed George Villiers, 1st Duke of Buckingham.
[1] Logonomia Anglica, qua gentis sermo facilius addiscitur, London, by John Beale, 1619, 2nd edit.
In his section on grammatical and rhetorical figures Gill quotes freely from Edmund Spenser, George Wither, Samuel Daniel, and other English poets.
The following table lays out Gill's proposed system of phonetic spelling:[6] boul bowle bowl büi tüil (or töil) boy toil buoy toil ðis this this ʒau iawe jaw wich witch witch ðez theſe these Word-final 'ü' is sometimes spelt 'u', as in 'tu chanʒ'.