Dergenagh is in the Electoral Division of Rocktown, in Civil Parish of Termoneeny, in the Barony of Loughinsholin, in the County of Londonderry

The Irish name for Dergenagh is Dearganach

Dergenagh is not matched up to yet.


It is located at 54° 48' 54" N, 6° 37' 17" W.


Dergenagh has an area of:

Nationwide, it is the 20055th largest townland that we know about

Within Co. Londonderry, it is the 551st largest townland


Dergenagh borders the following other townlands:


We don't know about any subtownlands in Dergenagh.

Genealogy / Ancestry / Records Search

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

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Dergenagh was added to OpenStreetMap on 21 Apr 2015 by Stephen_Co_Antrim.