Its chief geographical features are the Shannon-Erne Waterway, spring wells and a drumlin hill reaching to 50 metres above sea-level.
The map for Knockninny barony stops on the east bank of the stream entering the Woodford river between the townlands of Derryhooly and Corry townlands,[2] while the Tullyhaw barony map stops where the Irish border is now,[3] thus omitting that part of Tomregan parish which lies in County Fermanagh.
[6] An Inquisition held at Castlecoote on 5 November 1629 stated that David Creighton owned, inter alia, the lands of Knock.
[7] An Inquisition held in Newtownbutler on 23 March 1639 found that the said James Balfour owned, inter alia, the lands of Nacknocke.
[5] A lease dated 28 July 1721 from William Balfour to Hugh Henry includes, inter alia, the lands of Nacknock.
[10] The Tithe Applotment Books for 1827 (which spell it as Knox or Knockadooes) list the following tithepayers in the townland- Foster, Kells, Hayes, Drum, Ross, Powel, Murphy, Brady, Elliott.