Tamnaherin is in the Electoral Division of Tamnaherin, in Civil Parish of Cumber Lower, in the Barony of Tirkeeran, in the County of Londonderry

The Irish name for Tamnaherin is Tamhnach Uí Earáin

Tamnaherin is on Logainm.ie: Tamnaherin.


It is located at 54° 59' 1" N, 7° 10' 3" W.


Tamnaherin has an area of:

Nationwide, it is the 4995th largest townland that we know about

Within Co. Londonderry, it is the 147th largest townland


Tamnaherin borders the following other townlands:


We don't know about any subtownlands in Tamnaherin.

Genealogy / Ancestry / Records Search

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

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Tamnaherin was added to OpenStreetMap on 15 May 2015 by Stephen_Co_Antrim.