Gilnahirk is in the Electoral Division of Castlereagh, in Civil Parish of Knockbreda (Castlereagh Lower portion), in the Barony of Castlereagh Lower, in the County of Down

The Irish name for Gilnahirk is Éadan Ghiolla na hAdhairce

Gilnahirk is not matched up to yet.


It is located at 54° 34' 16" N, 5° 50' 3" W.


Gilnahirk has an area of:

Nationwide, it is the 11283rd largest townland that we know about

Within Co. Down, it is the 475th largest townland


Gilnahirk borders the following other townlands:


We don't know about any subtownlands in Gilnahirk.

Genealogy / Ancestry / Records Search

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

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Gilnahirk was added to OpenStreetMap on 10 Apr 2015 by Stephen_Co_Antrim.