Knocknahorna is in the Electoral Division of Derry, in Civil Parish of Crossmolina, in the Barony of Tirawley, in the County of Mayo

The Irish name for Knocknahorna is Cnoc na hEorna

Knocknahorna is on Knocknahorna.


It is located at 54° 5' 6" N, 9° 29' 3" W.


Knocknahorna has an area of:

Nationwide, it is the 10493rd largest townland that we know about

Within Co. Mayo, it is the 692nd largest townland


Knocknahorna borders the following other townlands:


We don't know about any subtownlands in Knocknahorna.

Genealogy / Ancestry / Records Search

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

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Knocknahorna was added to OpenStreetMap on 5 Apr 2016 by NoelB.