It became a separate parish between 1254 and 1291, and included the townships of Gop, Graig, Pentreffyddion and Rhydlyfnwyd.

[3] The village was renamed Newmarket in 1710 by John Wynne[4] who obtained a faculty from the Bishops Registry.

[3] One unscientific derivation of the name which is frequently found is "tref + llawn + ŷd", "town full of wheat".

In the “Place-Names of Flintshire” the first element of the name is shown to be originally “rhiw” and “Llyfnwyd” is a Cymricisation of an Anglo-Saxon name Leofnoth which occurs a number of times in the Cheshire and Flintshire section of the Domesday Book.

[10] In 1957, under conductor Neville Owen, a local schoolmaster, they won the National championships which were held at Bala.