The boy's name Merfyn\m(e)-rf-yn, mer-fyn\ is related to Mervin.
The baby name Merfyn sounds like Mervyn and Morfyn. Other similar baby names are Merwyn and Merlyn.
Merfyn is a very rare male first name and is not used as a surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Merfyn. Compare Merfyn with related baby names.