- Born: 29 May 1825, Tarbolton, Ayrshire, Scotland
- Married: 20 Jun 1862, Tarbolton, Ayrshire, Scotland 1
- Died: 24 Jan 1913, Grange Mill, Maybole, Ayrshire, Scotland
Probably a distant cousin of her husband, whose maternal grandmother was a member of the Cowan family of Tarbolton.
Isabella married Adam CUNNINGHAM, son of William CUNNINGHAM and Elizabeth WILSON (twin), on 20 Jun 1862 in Tarbolton, Ayrshire, Scotland 1. (Adam CUNNINGHAM was born in 1831 in Tarbolton, Ayrshire, Scotland 2 and died on 11 Jul 1919 in Dalrymple, Ayrshire, Scotland 3.)
Adam Cunningham, miller, bachelor, age 31, of Burnside Tarbolton, son of William Cunningham, farmer (deceased) and Elizabeth Cunningham M.S. Wilson, and
Isabella Cowan, sewed muslin worker, age 33, of Tarbolton, daughter of John Alexander Cowan, mason, and Elizabeth Cowan M.S. McGoan
Witnesses: George Dickie, Thomas Cunningham