[2] Driven from Ireland by the rebellion of 1798, he accepted the post of organist at Trinity and St John's Colleges, Cambridge,.
Press cutting - Bury & Norwich Post 1 June 1814 - Tuesdays Gazette: John Clarke, of Emanuel House, Cambridge, Dr. in music, only son and heir of John Clarke, late of Malmesbury, Wilts, Gent, by Amphillis his wife, (who was at length the only surviving child of Henry Fotherly Whitfeld, of Rickmansworth Park, deceased) has his Majesty's licence and authority to take and use the surname and arms of Whitfeld only.
In 1820 he was elected organist and master of the choristers at Hereford Cathedral; and on the death of Dr Haig he was appointed Professor of Music at Cambridge.
He also composed a great number of songs, one of which--"Bird of the Wilderness," written to some well-known verses by James Hogg, the "Ettrick Shepherd"—attained a high degree of popularity but the great work of his life was the publication, in a popular and eminently useful form, of the oratorios of Handel, which he was the first to present to the public with a complete pianoforte accompaniment.
Their son Henry John Whitfeld (1808–1855) became an alumnus of Downing College, Cambridge and the vicar of Granborough, Buckinghamshire.