Archibald Colquhoun

Archibald Campbell Colquhoun (died 8 December 1820) was a Scottish politician and lawyer.

He was the only son of John Campbell of Clathick, Perthshire, provost of Glasgow, and Agnes, the only child of Laurence Colquhoun of Killermont, Dumbartonshire. On succeeding to the estate of Killermont upon the death of his father in 1804, he assumed the additional surname and arms of Colquhoun.

He was admitted an advocate in 1768, and on the downfall of the ministry of All the Talents, was appointed Lord Advocate on 28 March 1807. At this time most of the Scotch patronage was in the hands of the Dundas family, and William Erskine, Alexander Maconochie. and Henry Cockburn were actually chosen deputes by Lord Melville before Colquhoun had received the appointment. In the following May, he was returned member for the Elgin district of burghs, but after three years resigned his seat, and in July 1810 was elected member for Dumbartonshire, which county he continued to represent until his death in 1820.

Colquhoun, as the Lord Advocate, took part in reforming the constitution of the Court of Session, and was appointed one of the thirteen commissioners who sat for the first time on 30 November 1808 for the purpose of inquiring into the administration of justice in Scotland. The correspondence between him and Erskine, the late lord advocate, on the subject of the respective merits of Lord Grenville's and Lord Eldon's bills for the reform of legal procedure will be found in the 'Scots Magazine' for 1808, pp. 70–2, 149–52. On the death of Lord Frederick Campbell, Colquhoun was appointed Lord Clerk Register, on 4 July 1816, much to the disappointment of Erskine's friends, who had hoped that the post would have been offered to him. He was a partner in the Thistle Bank of Glasgow.

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