Ordnance Survey Field Name Book 1835-1836Knockumber
Cnoc Cumair, the hill of the confluence.
Knockcumber: Inq. temp. Car. 1.
Knockumber Civil Survey: 1654-56.
This townland is bounded on the north by Liscartan parish.
It is bounded on the east by the townlands of Abbeyland, Moat Hill, Town and Town parks of Navan, Robinrath and Navan Commons.
It is bounded on the south by Navan Commons and Ardbraccan parish.
It is bounded on the west by Ardbraccan parish and Portanclogh townland.
It is 1/2 mile from the town of Navan.
The road from Navan to Ardbraccan passes through it, and the Boyne river forms its north east boundary.