Paul O'Brien (1763–1820) was an Irish language scholar and Catholic priest.
He was the first Professor of Irish at St. Patrick's College, Maynooth, serving from 1802 until his death.
[1] Born in 1763, from Cormeen, Co. Meath,[2] O'Brien was a great grand nephew of Turlough O'Carolan.
[3] In 1807 O'Brien was instrumental in establishing The Gaelic Society of Dublin along with Dr. John Lanigan, Edward O'Reilly, William Halliday, and Theophilus O'Flanagan.
[4] Professor O'Brien was also involved in Iberno-Celtic Society another initiative to promote the Irish Language.