Graduating BA as 10th Wrangler in 1770, he gained his MA and became a Fellow of St John's College in 1773.
[1] In 1780 he was appointed Preceptor to Prince Edward, Duke of Kent and in 1781 chaplain to King George III and Deputy Clerk of the Closet, a post he held until 1785.
The younger John Fisher (later the Archdeacon of Berkshire) became the painter's best friend and another important patron.
The painter spent his honeymoon at the younger John Fisher's home in Osmington, Dorset.
The couple had three children, Edward Fisher, who died unmarried, and two daughters, Dorothea, who married John Frederick Pike, who then assumed the additional name of Scrivener, and Elizabeth, who married John Mirehouse of Brownslade, Pembrokeshire, Wales, and Common Serjeant of London (1833–1850).