[1] Crotty was born in 1769 in Clonakilty, County Cork, and was one of the first students of attend the re-established Irish College in Lisbon, Portugal.
[2] In 1811 he returned to Ireland to Cloyne, and two years later was appointed President of St Patrick's College, Maynooth.
[3] In 1833 he was appointed to succeed Michael Collins as Bishop of Cloyne and Ross.
[4] In 1837, Crotty persuaded Catherine McAuley to establish a house of the Sisters of Mercy in the diocese.
When McAuley expressed regret that he had taken so much trouble, Crotty responded that as they did not decline travelling from Dublin to his charge, he could not avoid coming to meet them.