Duncan McNeill, Baron Colonsay and Oronsay (1793–1874)

Lawyer and politician. Became a member of the Scottish bar in 1816. Solicitor-general for Scotland, 1834–5, 1841–2. Appointed lord advocate, 1842. Conservative MP for Argyll, 1843–6. Appointed judge of the Court of Session, 1851, taking the title Lord Colonsay and Oronsay; lord justice-general and lord president of the Court of Session, 1852; appeals judge, 1867, taking the title Baron Colonsay and Oronsay.