Daniel O'Connor (1843 - 1919):
Cleric, Roman Catholic
Daniel O'Connor was born in Cornenty, County Monaghan, and was ordained priest for the diocese of Clogher in 1868. He became Dean of the diocese in 1914. In 1916 he transferred to Carrickmacross, County Monaghan. He wrote a History of St Patrick's Purgatory in 1879, and this became the standard work on the subject.