Cornacrum (Irish derived place name, Corr na Croma meaning 'The Round Hill of the Plague or the Stooping'.
In the Plantation of Ulster grant dated 4 June 1611, King James VI and I granted 400 acres (160 hectares) or 7 poles (a poll is the local name for townland) of land in Tullyhunco at an annual rent of £4 5s.
In a visitation by George Carew, 1st Earl of Totnes in autumn 1611, it was recorded, McKyernan removed to his proportion and is about building a house.
[8] On 14 March 1630, an Inquisition of King Charles I of England held in Cavan Town stated that Brian bane McKiernan died on 4 September 1622, and his lands comprising seven poles and three pottles in Clonkeen, Clontygrigny, Cornacrum, Derrinlester, Dring townland, Killygorman, Kiltynaskellan and Mullaghdoo, Cavan went to his nearest relatives.
[9] On 26 April 1631 a re-grant was made to Sir James Craige, which included the lands of Carnacran, which also included several sub-divisions in the townland called Aghogreagh, Chorowe, Margebochegin, Tawchoboune, Genganby, Gerryhiggin, Monevalle, Leycreagh and Knocknecarm.
At Cavan, on 26 July 1642, Thomas and William Jones of Cornecrum gave the names of rebel leaders in Cavan, including Ffarrell mac Phelyme Kernan of Cornecrom, Torlaigh mac Ffarrell McKernan of same, Bryan McKernan of same, Bryan O’Shenan of same and Shane McGilsanan of same.
[11] After the Irish Rebellion of 1641 concluded, the rebels vacated the land and the 1652 Commonwealth Survey lists the townland as belonging to Lewis Craig.
[13] In the Cavan Poll Book of 1761, there was one person registered to vote in Cornacrum in the Irish general election, 1761[14] - William Farris.
The losing candidates were George Montgomery (MP) of Ballyconnell and Barry Maxwell, 1st Earl of Farnham.