To determine if all or any of these families have a common ancestor. Robert (1708) and both David Coltranes were born in Wigtown, Scotland, baptized 2 Jun 1707 and 7 Sep 1711. Their parents, Patrick Coltrane and Elizabeth Stewart, were one of more than six Coltrains in Wigtownshire and neighboring Ayershire at this time, based Old Parish Records. In the Parish listing of Wigtownshire and Minnigraff of 1684, there were 15 families headed by a male whose last name was Coltran, Coltrane, Coltron (ages unknown).