We don't know what Electoral Division Portmarnock is in. Portmarnock is in the Civil Parish of Portmarnock. Portmarnock is in the Barony of Coolock. Portmarnock is in Co. Dublin

The Irish name for Portmarnock is Port Mearnóg

Portmarnock is on Logainm.ie: Portmarnock.


It is located at 53° 25' 11" N, 6° 9' 9" W.


Portmarnock has an area of:

Nationwide, it is the 16917th largest townland that we know about

Within Co. Dublin, it is the 150th largest townland


Portmarnock borders the following other townlands:


We don't know about any subtownlands in Portmarnock.

Genealogy / Ancestry / Records Search

Curious to see who lived in Portmarnock in the past? Maybe even seeing scans of their handwritten census returns?

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Portmarnock was added to OpenStreetMap on 14 Aug 2015 by brianh.