Davies’s fa­ther was Dan­iel Da­vies, dea­con and pre­cent­or in the Old Cha­pel. He took his bard­ic name Mynyddog from Newydd Fyn­yddog, a hill near his home. He con­duct­ed eis­teddfod in both Eng­land and Wales, and vis­it­ed Amer­i­ca in 1876. His works in­clude:

• Caneuon Mynyddog, 1866
• Yr Ail Gynnig, 1870
• Y Trydydd Cynnig, 1877
• Pedwerydd Llyfr Mynyddog, 1882

1. Dyma Feibil annwyl Iesu
   • This Is Je­sus’ Pre­cious Bi­ble