Based on data in OpenStreetMap, here is a list of townlands in the Electoral Division / ED / District Electoral Division of St. Tierney.
St. Tierney is in Co.
St. Tierney is not matched up to Logainm.ie yet.
It is located at 54° 12' 39" N, 7° 8' 38" W.
St. Tierney has an area of 13.5 km² / 3,343.1 acres / 5.2 square miles.
There is 1 townland that we know about in . This represents 2.6% of all the area in .
St. Tierney was added to OpenStreetMap on 16 Feb 2017 by Teester.