Cor to Sir George Graeme and Sir Richard Graeme to form part of the Manor of Greame. An Inquisition held at Cavan Town on 31 October 1627 found that George Greames was seized of one poll in Corr and he died 9 October 1624. By his will dated 1 May 1615 he left his lands to his son and heir William Greames then 30 years old (born 1594) and unmarried. After the Cromwellian Act for the Settlement of Ireland 1652 the Graham lands in Cor were seized by the Government as a result of their participation in the 1641 Rebellion and were distributed as follows- The 1652 Commonwealth Survey lists the proprietor being Mr Thomas Worsopp and the tenant being William Lawther, both of whom appear as proprietor and tenant for several other Templeport townlands in the same survey. In the Hearth Money Rolls compiled on 29 September 1663 there were four people paying the Hearth Tax in Corr, Rosse McMahon, Andrew Lowther, Phelemy McRodan and Shane McEvina. In the 18th century one of the inhabitants of the townland was Jonathan Powell, an ancestor of the author Edgar Allan Poe. The 1790 Cavan Carvaghs list spells the townland name as Corr. The Tithe Applotment Books for 1827 list two tithepayers in the townland of Corville. In 1833 one person in Corville was registered as a keeper of weapons- George Finlay. The Cor Valuation Office Field books are available for 1839-1841. In 1841 the population of the townland was 36, being 17 males and 19 females. There were four houses in the townland, all of which were inhabited. In 1851 the population of the townland was 44, being 19 males and 28 females. There were six houses in the townland, all inhabited. Griffith's Valuation of 1857 lists seven landholders in the townland. In 1861 the population of the townland was 21, being 8 males and 13 females. There were five houses in the townland, of which one was uninhabited. In 1871 the population of the townland was 26, being 9 males and 17 females. There were four houses in the townland, all were inhabited. In 1881 the population of the townland was 29, being 15 males and 14 females. There were three houses in the townland, all were inhabited. In 1891 the population of the townland was 20, being 11 males and 9 females. There were three houses in the townland,