[3] The surname may descend from the Old English word "trayne" which means to trap or snare and may have been the name for a hunter.
[7] The surname is also quite common in North West England as well, with high populations in Cheshire, Lancashire, Merseyside and Greater Manchester.
It is mentioned in the Annals of the Four Masters compiled in the years 1632–1636 at the convent of Donegal, by the chief author, Michael O'Clery, a monk of the order of St. Francis[9] as having descended from the Colla Dá Crich.
[10] Common in Monaghan and throughout Ulster, the name is associated with Kelley and other Ui Maine ancestry.
[12] Some Traynors were also have been members of the ruling upper class in Ireland during the Protestant Ascendancy.