However , the Welsh name Llanoronwy appears to derive from a third name , Goronwy .
Some old sources show it as being also dedicated to St. Kenelm , a 9th - century Mercian martyr .
The Welsh name Llanoronwy appears to derive from a third name , Goronwy .
Some old sources show it as being also dedicated to St. Kenelm , a 9th - century Mercian martyr .