Historic Maps of Ireland available Online (Update April 2025)

National Library of Scotland – Outlines (several layer options) Ordnance Survey Maps of Ireland – also Maps by County, and Side by Side
Dublin City and County (parts) OS Map 1953 Dublin / compiled, printed and published by the Director at the Ordnance Survey Office, Dublin. 1953 from University of Wisconsin Milwaukee – also various other Ireland maps
Dublin Graveyards Directory – John Grenham Details of graveyards and cemeteries in Dublin city and county
Detailed maps of Co. Mayo (several layer option) County of Mayo historic maps layer – including started in 1809 and terminated in 1817 by William Bald F.R.S.E. Printed in 1830 (scale 2 inches), Petty 1860s, OS c1839s and c1890s etc
OSI – National Townland and Historic Map Viewer

GeoHive Alternate site

Historical maps of Ireland, with a set of historical and current basemaps, also overlays of historic maps over more modern maps, with transparency and swipe options.
Taylor’s map of the environs of Dublin – 1816 Taylor’s map of the environs of Dublin: extending 10 to 14 miles from the castle, by actual survey, on a scale of 2 inches to one mile, from McMaster University Library Digital Archive, Hamilton, Ontario, Canada
Northern Ireland Historic maps PRONI – various maps layers for Northern Ireland Couties
Survey of the city and suburbs of Dublin 1757 With the division of the parishes reduc’d from the large plan in four sheets by John Rocque, from Bibliothèque Nationale de France
1797 map of Dublin city, by John Neale (large jpeg image)  Wikipedia Media
A Survey of the City, Harbour, Bay and Environs of Dublin 1757 On the same Scale as those of London, Paris & Rome, by John Rocque from Bibliothèque Nationale de France
Modern Plan Of The City And Environs Of Dublin 1798 Inscribed by Wm Wilson, engraved by B. Baker, Islington, from MAPCO – Retired
Map of Ireland 1838 Compiled from the Surveys of the Board of Ordnance and other approved Documents By J. & C. Walker, from MAPCO
Dublin Historic Maps 1609-1797 Large Section of Dublin Maps by Brian Hollinshead, mostly Dublin city area, which can be overlayed over a modern Open Street Map. Use the slider control on the bottom right to set the visibility of the modern map.
David Rumsey Map Collection Large Collection of maps
South Dublin County Libraries Large collection of Maps, focusing on South West County Dublin and south city.
Old Maps Online Map Portal with links to various external websites
Placename Database gives location on a modern map for townlands, parishes etc, plus additional details including spelling variations. (map coordinates for places in N.I. are given, but may not be as accurate)(www.logainm.ie)

Also includes a selection of downloadable historic maps of Ireland, also an Ireland Gazetter, notes on Dublin Street names, Dublin History, a version of Lewis’ Topographical Dictionary of Ireland etc

see : Toponymy resources

Various Historic maps of Ireland, Co. Dublin, Dublin City, Taylor & Skinner Road Maps 1777, Lewis 1837 County maps, etc (www.swilson.info)
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