Clwyd Mailing List
Rootsweb: Clwyd Mailing List

Merionethshire Forum
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Powys Mailing List
Powys Mailing List, includes Breconshire, Radnorshire and Montgomeryshire, and bordering counties

WLS:Gwynedd Mailing List
Gwynedd Mailing List, includes Anglesey, Caernarfonshire and Merionethshire

WLS-Merionethshire Mailing List
Merionethshire Mailing List