Duncan Mearns (1779–1852) was a Scottish minister who served as Moderator of the General Assembly of the Church of Scotland in 1821.
[1] He was licensed to preach in the Church of Scotland in the summer of 1799 and found a patron soon after in the Earl of Aberdeen, and he was ordained as minister of Tarves in Aberdeenshire in November 1799.
[3] They had two sons and six daughters including Rev William Morison Mearns DD (died 1891), minister of Kinneff.
His daughter Anne married Rev Prof Robert Macpherson (1806-1867), who succeeded him in the chair of divinity at Aberdeen.
His daughter Jane was married to Dr Hercules Scott, who became professor of moral philosophy at Aberdeen.