St Cwyllog's Church, Llangwyllog

St Cwyllog's Church is in a rural location in the middle of Anglesey, about 3 mi north-west of Llangefni, the county town, and a short distance from the small village of Llangwyllog. The first church on this site was established by Cwyllog, a female saint, in the 6th century, although the exact date is unknown. She was one of the daughters of St Caw, a king in northern Britain who lost his lands and sought safety with his family in Anglesey, where the ruler Maelgwn Gwynedd gave him land. There was a church here at the time of the Norwich Taxation in 1254, and the present walls may date from around 1200. The north doorway and the east window are from the late 15th century. An annexe was…

The church is built from rubble masonry with very large boulder quoins; the roof is made from slate with stone copings. At the west end of the roof of the nave, there is a bellcote with a single bell decorated with three bull heads, dated 1661; at the east end, there is a cross. There is no structural division between the nave and the chancel. The annexe at the west end is smaller and lower in height than the main building, and was built in line with it. It may have been built for use as a schoolroom. It has a 16th-century doorway at the west end, converted into a window in the 19th century, and a modern door at the east end, as well as an 18th-century fireplace. The main entrance into the…