These Boroughs included Clogher in Tyrone and Old Leighlin in Carlow amongst others, they were disenfranchised following the Act of Union in 1801.
The original cathedral was in the village of Clogher in County Tyrone, site of a monastery founded in 454 by St. Macartan, who was appointed bishop by St. Patrick in the 5th century.
Clogher is called by Ptolemy Rhigia or Regia; and according to some authors, St. Patrick founded and presided over a monastery here, which he resigned to St. Kertenn when he went to Armagh, to establish his famous abbey there; but according to others, it was built at the command of St. Patrick in the street before the royal palace of Ergal, by St. Macartin, who died in 506,
Tigernach later became Bishop of Clogher and removed that see to Clones, where he died of the plague in 550.
received collation of the comorbania or rectory of Clones from primate Milo Sweetman's commissaries in the diocese of Clogher, this appointment was subsequently ratified by the primate himself.
Through the Marquess of Buckingham, Spottiswood was appointed bishop of one of them, Clogher, based south-west Ulster, much of it in County Fermanagh.
His abilities as a leader were displayed on many occasions, particularly at the relief of Elphin Castle and he continued very active during this time of confusion, and frequently disturbed Heber MacMahon the Roman Catholic bishop of Clogher, then general of the Ulster army.
Sir John Rogerson (1648–1724), Irish politician, wealthy merchant and property developer; Member of Parliament for Clogher and Dublin City
Sir Ralph Gore, 4th Baronet (died 1733), Speaker of the Irish House of Commons, MP for Donegal Borough, Donegal County 1713–1727 and Clogher