[1] At Cambridge he was tutor of Robert Walpole and the Marquis of Blandford, son of John Churchill, 1st Duke of Marlborough, who died in his college on 20 February 1703.
He described the campaign of 1704 in a series of letters to his cousin, George Naylor of Herstmonceux Castle, and in a journal preserved by William Coxe.
He had been dismissed from his chaplaincy about 1718, in consequence of his share in the Bangorian controversy, when he joined the assailants of Bishop Benjamin Hoadly.
On 26 April 1740 Hare died at the Vache, and was buried in a mausoleum which he had built for his family adjoining the nearby church of Chalfont St Giles.
Hare retaliated in an Epistola Critica in 1727, addressed to Henry Bland, head-master of Eton, claiming many errors in his rival's edition.
He defended Marlborough and the War of the Spanish Succession in pamphlets, publishing A thanksgiving sermon on the taking of Bouchain (preached by Hare 9 September 1711) was ridiculed by Swift in A Learned Comment.
A tract published in 1714, entitled Difficulties and Discouragements which attend the Study of the Scriptures in the way of Private Judgement was censured by convocation.
Hare contributed to the Bangorian controversy Church Authority Vindicated in 1719 (a sermon which went through five editions), and was answered by Hoadly.
In the autumn of 1709 he married his first cousin, Bethaia Naylor, who became the heiress of Herstmonceux on the death of her brother's only daughter, Grace.
Francis gave the bishop trouble by a wild life, and then by engaging himself to his stepmother's sister, Carlotta Alston.