The ancient parish comprised the townships of Bryngwri, Llanerchgron, Maen-ar-ei-gilydd, Maestyddyn, Clocaenog Ucha, and Clocaenog Isa.
The church, which is dedicated to St. Foddhyd, was mentioned in the Norwich Taxation of 1254. It was renovated in 1856, and again in 1882.
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For family history information about the church and parish, visit the GENUKI Clocaenog page.