James Buchanan was a preacher and theological writer. He was born in 1804 at Paisley, and studied at the University of Glasgow. In 1827 he was ordained Church of Scotland minister of Roslin, near Edin
James Macnaughton MacGregor was a Scottish and New Zealand Presbyterian minister and theologian. He was born in Callander, Perthshire, Scotland on 6 January 1829.
MacGregor with family in 1862
Their house at number 8, Eden Lane, Morningside; image from Geograph "House in Eden Lane by kim traynor"