LlechgynfarwyLlechgynfarwy is a village in the community of Tref Alaw, Anglesey, Wales. It is the location of St Cynfarwy's Church.HistoryLlechgynfarwy was a civil parish, at the 1971 census, Llechgynfarwy had a population of 118. In 1974 Llechcynfarwy became a community, on 1 April 1984 the community was abolished.