Saint Mochta or Mochtae in Latin sources Maucteus or Mauchteus, was a disciple of St. Patrick.

He was, like Patrick, a native of Britain

Sub-Roman Britain

Sub-Roman Britain is a term derived from an archaeological label for the material culture of Britain in Late Antiquity: the term "Sub-Roman" was invented to describe the potsherds in sites of the 5th century and the 6th century, initially with an implication of decay of locally-made wares from a...

. His name is British, and Adomnán's Life of Columba describes him as "a certain British stranger, a holy man and a disciple of the holy bishop Patrick". He is said to have founded a monastery in Louth.

The Annals of Ulster

Annals of Ulster

The Annals of Ulster are annals of medieval Ireland. The entries span the years between AD 431 to AD 1540. The entries up to AD 1489 were compiled in the late 15th century by the scribe Ruaidhrí Ó Luinín, under his patron Cathal Óg Mac Maghnusa on the island of Belle Isle on Lough Erne in the...

report his death twice, in 535 and 537, which points to him being considerably younger than Patrick, whose death the Annals date to 493. The entry for 535 dates his death to the 13th of the Calends of September, i.e. 20 August, and quotes the opening of a letter written by him: "Mauchteus, a sinner, priest, disciple of St Patrick, sends greetings in the Lord." However neither the rest of this letter nor any other compositions of his have survived.