Cart�n a'Mharcaigh, the quarter of the horseman or knight.
Cartron is the Anglo-Irish equivalent of the Gaelic Ceathramhadh, a quarter of land.
Cartronamarkey J. 0.'D.
Cartronmartege Inquis. Temp. Jac. I.
Cartron a markey County Map
The road from Bunlaghy to Scrabby runs along the western end, and that from Bunlaghy to Granard along the southern end, of this townland, which also borders the parish of Granard.
It contains 266� acres. A small part of its northern extremity is bog; the remainder is arable and pasture land. There are two small forts in this townland.