For this Merfyn there are 15 different names on Yasni.
In the ranking of the most common first names Merfyn is on position 4576.
Male first name (Welsh): Merfyn;; mer = the marrow, and the original Welsh name 'Merfyn' was in England a long time as a family name in use, a Welsh king in the 9th Century was called 'Merfyn', the meaning of the name is not known, perhaps, the name of the word 'mer' (Mark)