Monastery of the Holy Trinity (Walsh)

From Walsh's History of the Irish Hierarchy: With the Monasteries of Each County, Biographical Notices of the Irish Saints, Prelates, and Religious, 1854, c. xliv p. 427-8

Monastery of the Holy Trinity was founded about the year 1259 for Augustinian friars by a member of the Talbot family and on the site of the street now called Crow street. This convent was a general college for the brethren of that institute in Ireland. 

AD 1309 Roger was prior and a witness against the knights Templar 

AD 1359 John Babe was prior and vicar general of his order. 

In the thirty fourth of Henry VIII it was granted together with ten houses three orchards and ten gardens in the parish of St Andrew, four acres and a park of six acres near College green, two houses and gardens in Patrick street, three houses and three gardens in the parish of St Michan, and ninety three acres in Tobberboyne, to Walter Tyrrel forever at the annual rent of six shillings Irish.