Catalogues and Databases

Catalogues of Ordnance Survey Maps in the National Library

A Summary Map Catalogue containing a general listing of the National Library map collections, is available at the counter in both the Main Reading Room and Manuscripts Reading Room, and here as PDF file:

Summary Map Catalogue  NLI_SummaryMapCatalogue.pdf (0.08 MB, Adobe PDF)

The Ordnance Survey of Ireland has digitised a large number of its' maps and these are accessible online

Finding the OS Map you need

 In order to consult an Ordnance Survey map for a particular county you must first identify the relevant Ordnance Survey sheet number. Details of how to identify the sheet number relevant to your research are available here:
Finding the OSI Map You Need  FindingOSIMaps.pdf (0.01 MB, Adobe PDF)

Other Printed Maps

The map index in the Main Reading Room includes entries for important maps which have appeared in books and periodicals relating to Ireland. The map  index is arranged by place and by cartographer and specifies the location of individual maps. This  index also lists manuscript and early printed maps, including large scale Ordnance Survey maps, which were catalogued prior to 1990.

OSI map showing St. Stephen's Green (1911, 25-inch, Dublin sheet 18).
OSI map showing St. Stephen's Green (1911, 25-inch, Dublin sheet 18).
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