sentences:  In the early years, it was a dependency of Swords, one of north County Dublin's three major ecclesiastical settlements, with a chapel dedicated to St. Brendan of Clonfert (St. Brendan the Traveller).Shortly after formation, the Anglo-Norman invasion made changes across the whole Dublin region, and in the "Reportorium Viride" of John Alen, it is stated that the church at Coolock was at first in the gift of the Baron de Nugent, and later the Priory of Llanthony (near Gloucester), who held the right of presentation until the dissolution of the monasteries by Henry VIII, when the parsonage was granted to Edward Griffin and John Bathe.Following the break between Henry VIII and the Papacy, the Anglican Churches came into being and from this point – around 1536, when Henry VIII imposed the Act of Supremacy in Ireland – there were two Parishes of Coolock, one in the Roman Catholic Church, one in the Church of Ireland.