Cornyn Family History
Cornyn Surname Meaning
from Ó Cuirnín ‘descendant of Cuirnín’ an Old Irish personal name apparently based on a diminutive of corn ‘horn’ although this has been questioned by MacLysaght.
This name was also anglicized as Courneen and Curneen.
Compare Cournane.
Source: The Oxford Dictionary of Family Names of Ireland, 2021
