His father, a licentiate of the church of Scotland, was then engaged in teaching at Edinburgh, and Milligan was sent to the high school, where he was dux of his class.
His father, a licentiate of the Church of Scotland, was then engaged in teaching at Edinburgh, and from 1825 lived at 1 Rankeillor Street, in the Soth Side. Edinburgh Post Office Directory 1825 Milligan was sent to the high school, where he was dux of his class.