Background
Gretton was the son of John Gretton of Bond Street, London, born in 1736, and educated at Saint Paul"s School and Peterhouse, Cambridge, where he graduated Bachelor of Arts in 1758 and proceeded Master of Arts
Gretton was the son of John Gretton of Bond Street, London, born in 1736, and educated at Saint Paul"s School and Peterhouse, Cambridge, where he graduated Bachelor of Arts in 1758 and proceeded Master of Arts
Peterhouse.
In 1761. Having taken holy orders, he was presented in 1766 to the vicarage of Saffron Walden, Essex. In 1784 Lord Howard de Walden appointed him his domestic chaplain. He was subsequently presented to the rectory of Littlebury, Essex, of which county he was in the commission of the peace, and was made Archdeacon of Essex on 2 December 1795.
In 1797 he was elected master of Magdalene College, Cambridge, and was vice-chancellor of the university in 1800-1801.
He died on 29 September 1813.