[2] However, he is also associated with Rathgar ( also in Irish: Ráth Garbh, again meaning "rough ringfort"), in Dublin, which may indicate a misassociation with one of these sites.

[4] The first complete list of parishes comes in the early fourteenth century, and Rathgarve is found in the deanery of Fore.

Rathgarve civil parish comprises the town of Castlepollard and 27 townlands: Ballycomoyle, Ballymanus, Ballynagall, Caslanakirka, Curraghboy, Deerpark, Drumman, Freaghmore, Glen, Kinturk Demesne, Knockroe, Loughanalla, Loughanstown, Millcastle, Mullanakill, Raheen Beg, Raheen More, (the townland of) Rathgarve, Robinstown Lower, Robinstown Upper, Sheskernagh, Slieveboy, Srunahella, Stonestown, Teevrevagh, Townparks and Tromra.

The neighbouring civil parishes are: Foyran to the north, St. Feighin's to the east, Faughalstown to the south and Lickbla and Mayne to the west.

A medieval trackway (on private land) delineates the former route from the south heading towards the abbey of Lara (Abbeylara).