In 1685 he became vicar of Ambrosden, Oxfordshire. A few years afterwards he returned to Oxford as tutor and vice-principal of St. Edmund's Hall, where he gave considerable impetus to the study of antiquities. George Hickes gave him lessons in Old English. In 1695 he published Parochial Antiquities. In 1700 he became rector of St. Botolph's, Aldgate, London, and in 1701 archdeacon of Huntingdon.
Kennett published in 1698 an edition of Sir Henry Spelman's History of Sacrilege, and he was the author of fifty-seven printed works, chiefly tracts and sermons. He wrote the third volume (Charles I-Anne) of the composite Compleat History of England (1706), and a more detailed and valuable Register and Chronicle of the Restoration. He was much interested in the Society for the Propagation of the Gospel.
References
Life of Bishop White Kennett (1730) written by the Rev. William Newton (anonymous)