John Montagu or Mountague (c. 1655 – 23 February 1728/29) was an English churchman and academic.
He was the fourth son of Admiral Edward Montagu, 1st Earl of Sandwich, who was killed at the Battle of Solebay in 1672, and his wife Jemima Crew, daughter of John Crew, 1st Baron Crew. John may have been provided with the mastership (1683–1699) of Trinity College, Cambridge, as a reward for his father's service.
He entered Trinity College, Cambridge as a fellow-commoner on 12 April 1672, proceeded MA. jure natalium, 1673 and was elected a fellow in 1674. In 1680, he was made master of Sherburn Hospital by his relative Bishop Crewe, and in 1683 a prebend of Durham. On 12 May 1683 King James also made him Master of Trinity College, Cambridge. On 27 September 1686, he was awarded a Doctorate by Royal mandate. He was promoted to Vice-chancellor in 1687. In either 1699 or 1700, he resigned the mastership of Trinity and became Dean of Durham, which he kept until his death in 1728. Montagu was admitted a member of the Gentlemen's Society at Spalding on 22 August 1723. He died unmarried, at his house in Bedford Row, Holborn, London, on 23 February 1728, aged 73, and was interred at Barnwell, Northamptonshire, the burying-place of his family (Nichols, Lit. Anecd. vi. 99).
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John Montagu (21 August 1797 – 4 November 1853) was private secretary to the colonial secretary of Van Diemen's Land (Tasmania) 1834–1842 and later of Cape Colony.
Montagu was born in India, the second son of Lieutenant-Colonel Edward Montagu, and his wife Barbara, née Fleetwood. Edward Montagu died of wounds in India in 1799. John Montagu sent to England to be educated; he was taught at Cheam in Surrey, Parson's Green in Knightsbridge, and by a private tutor. In February 1814 Montagu was commissioned Ensign in the 52nd (Oxfordshire) Regiment of Foot.
Montagu fought at Waterloo, was promoted Lieutenant in November 1815, and Captain in the 64th Foot in November 1822. In 1823, having transferred to the 81st Foot and then the 40th Foot, he went to Van Diemen's Land in 1824 with Governor Arthur and became Arthur's private secretary. In 1826 he was made clerk of the Executive and Legislative Councils, but in 1829 was recalled to England to take up his military duties. In 1830 he resigned from the army and was re-appointed clerk of the councils at Hobart.
Admiral John Montagu (1719–1795) was a naval officer and colonial governor of Newfoundland.
He was born in 1719, son of James Montagu of Lackham in Wiltshire (died 1747), and great-grandson of James Montagu of Lackham (1602-1665), third son of Henry Montagu, 1st Earl of Manchester. Montagu began his naval career in the Royal Naval Academy, Portsmouth on 14 August 1733.
He was promoted lieutenant in 1740 and served on HMS Buckingham and, in 1744, was present at the Battle off Toulon. In 1757 he was present at the execution of Admiral John Byng. Promoted to Rear-Admiral in 1770, he served as Commander-in-Chief of the North American Station from 1771 to 1774.
He was promoted Vice-Admiral in 1776 and then appointed Governor and commander-in-chief of Newfoundland. Montagu captured St. Pierre and Miquelon for the British and defended Newfoundland from both French and American privateers. By his swift actions he had prevented the French from capturing Carbonear and Harbour Grace.