Osi Ireland Historical Maps

Launched in 2015, it has all the normal details you’d expect to find in a spatial database like buildings, field boundaries, roads, etc., but it’s also so much more than that. Go further with osi maps. Digital versions of some of osi’s.

Os maps the royal irish academy library holds a full set of the first edition os maps, drawn on a scale of six inches to one mile. Counties antrim, armagh, down, fermanagh, londonderry and tyrone. Explore the national imagery services available from ordnance survey ireland from 1995 to 2017 with this interactive mapping application.

This means that there are 20,326 tiles of 2km imagery (orthorectified) available nationally for every corner of ireland.

Acclaimed for their accuracy and comprehensive attention to detail, these maps are regarded by cartographers as amongst the finest ever produced, anywhere. Most are town plans which were surveyed at either five or ten foot to one mile scale between 1837 and 1896. Ordnance survey ireland (osi) national townland and historical map viewer allows you view the historic 25 inch and 6 inch mapping series. The osi website offers online access to maps produced by the ordnance survey between 1829 and 1913 and also includes genealogical (location of schools, graveyards, churches, workhouses etc.) and environmental data.