|Cilrhedyn shown within Pembrokeshire|
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Cilrhedyn is a hamlet and parish in the counties of Carmarthenshire and Pembrokeshire, Wales, in the hill country to the south of the Teifi valley. The Afon Cych divides it into two unequal parts: West Cilrhedyn, Pembrokeshire and East Cilrhedyn, Carmarthenshire. The parish church is in West Cilrhedyn.
The parish of West Cilrhedyn (Pembrokeshire) is now part of the community of Clydau. It had an area of 887 Ha, and consisted entirely of scattered farms. Its census populations were: 215 (1801): 257 (1851): 190 (1901): 127 (1951): 105 (1981). The percentage Welsh speakers was 100 (1891); 97 (1931); 94 (1971).
The parish of East Cilrhedyn (Carmarthenshire) was merged with the parish of Cenarth in 1934, and it is now part of the community of Cenarth. It had an area of 2238 Ha, and included the villages of Capel Iwan and Cwmorgan . Its census populations were: 517 (1801): 806 (1851): 691 (1901): 570 (1931). The percentage Welsh speakers was 100 (1891); 99 (1931).
- Charles, B. G., The Placenames of Pembrokeshire, National Library of Wales, Aberystwyth, 1992, ISBN 0-907158-58-7, p 363
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