Its date of origin is controversial but is believed to be the late 7th century. Its origins have also been the subject of debate, with scholars arguing between Durrow and Northumbria as likely places of origin, with current scholarship leaning toward Durrow.
The Cathach of St Columba c. AD 560-630
Written in Latin. The Cathach is the oldest extant Irish manuscript of the Psalter and the earliest example of Irish writing.
British Library: Turning the Pages