Within the UK and Ireland, the surname Gwynne most frequently occurs in Wales where it is carried by 1 in 7,867 people. The majority of those with the family name of Gwynne are to be found living in/around Merthyr Tydfil County Borough (approx. 3% of all UK Gwynne's), Carmarthenshire and Cardiganshire. The name can also be found in England with 1 in 35,097 people using it.
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