Who married John Stuart, 3rd Earl of Bute?
Mary Stuart, Countess of Bute married John Stuart, 3rd Earl of Bute on . John Stuart, 3rd Earl of Bute was 23 years old on the wedding day (23 years, 2 months and 19 days). Mary Stuart, Countess of Bute was 18 years old on the wedding day (18 years, 6 months and 25 days). The age gap was 4 years, 7 months and 25 days.
John Stuart, 3rd Earl of Bute

John Stuart, 3rd Earl of Bute (; 25 May 1713 – 10 March 1792), styled Lord Mount Stuart between 1713 and 1723, was a British Tory statesman who served as the Prime Minister of Great Britain from 1762 to 1763 under George III. He became the first Tory to hold the position and was arguably the last important royal favourite in British politics. He was the first prime minister from Scotland following the Acts of Union in 1707. He was also elected as the first president of the Society of Antiquaries of Scotland when it was founded in 1780.
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Mary Stuart, Countess of Bute

Mary Stuart, Countess of Bute, 1st Baroness Mount Stuart (née Wortley Montagu; 19 January 1718 – 6 November 1794) was the wife of British nobleman John Stuart, 3rd Earl of Bute, who served as Prime Minister from 1762 to 1763.
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