Based on data in OpenStreetMap, here is a list of townlands in the Electoral Division / ED / District Electoral Division of St. Mary's.
St. Mary's is in Co.
St. Mary's is not matched up to Logainm.ie yet.
It is located at 52° 37' 14" N, 6° 41' 50" W.
St. Mary's has an area of 24.9 km² / 6,152.1 acres / 9.6 square miles.
There are 14 townlands that we know about in . This represents 100% of all the area in .
St. Mary's was added to OpenStreetMap on 16 Oct 2016 by Teester.