According to myth or other stories, his "father was thought to have been a Church of Scotland minister."
Robert Gillan (died 1879) was a Church of Scotland minister.
He was (his own words) 'youth leader, ex-Church of Scotland minister.
John Gillies (1712-1796) was a Church of Scotland minister and theological writer.
James Buchanan (1804-1870) was a Church of Scotland minister and theologian.
Manse is the usual name for the house of a Church of Scotland minister.
Hislop was ordained as a Free Church of Scotland minister in 1844.
Alexander Douglas (died 1623) was a Church of Scotland minister and bishop.
The myth that his "father was thought to have been a Church of Scotland minister" is also discounted.
At first, Cook intended to become a Church of Scotland minister, but lost his faith as he discovered politics.