For this Arfon there are 21 different names on Yasni.
In the ranking of the most common first names Arfon is on position 4570.
Arfon means 'opposite Anglesey' taken from the welsh 'ar' meaning 'opposite/adjacent' and the welsh name for Anglesey 'Ynys Mon' (Holy Island). Due to a mutation, Mon becomes Fon, with the island (Ynys) being dropped. Caernarfon equates to 'the castle opposite Anglesey'
(Sent from: Mr Arfon Fry)