Genuki "Yspyty Ifan"
A parish, composed of the townships of Tir-Evan and Trebrys, in the hundred of Isaled, County of Denbigh, and the township of Eidda, which is partly in the above named hundred and county, and partly in the hundred of North Conway, county of Carnarvon; 3 miles (SW) of Pentrevoelas...
In 1837 it was assigned to Llanrwst Registration District, no 3 sub district ("Yspytty")
