"I think it good to begin with St Patrick his Purgatory, partly because it is most notoriously known and partly the more that some writers as the author of Polychronicon and other, that were miscarried by him, seem to make a great doubt where they…
"From Armagh it is almost one day's journey to a certain Island, which is slightly large called Mabeoch and beyond this Island to a small island in which is the Purgatory aforsaid..."
"The Liffer largens near its source and forms a lake in which there is an Island with a little Convent, near which there is a grotto narrow enough and full of spectres horrible to the view..."
"Now it seems there's a place they call Purgat're, so I must write it, my verse not admitting the O. But as for the venue I vow I'm perplext To say it's in this world or if in the next, Or whether in both for 'tis very well known That St Patrick at…
A description of the lake taken from O'Connor's account of an 1836 story in the Dublin Penny Journal Count Raymond de Perilleaux's 1397 journey to the Purgatory
"…Fin M’Coul stood before the monster; but instead of innocently submitting to be sucked in like a common man, Fin, famed as he was above all the Fions for feats of agility, took a hop, step, and leap, and fairly and clearly jumped down its…
“The island called St. Patrick's Purgatory is altogether rocky, and rather level : without the compass of the island, in the water towards the north east, about two yards from the shore stand certain rocks..."
“…[T]here were times, some of which are fresh in my memory, when the pilgrims' boat ran considerable risk from the waves, and when the skill and energy of such experienced boatmen as Pat M'Kane, of Seeavoc, were taxed to the utmost..."