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Blackrock Township 1863 layer: Derived from Blackrock Township Act.
Clontarf Township 1869 layer: Derived from Vic. 32 & 33 c.85. The Clontarf Township Act.
Dalkey Township 1863 layer: Formed under the Towns Improvement (Ireland) Act of 1854.
Drumcondra, Clonliffe and Glasnevin Township 1878 layer: Derived from 41 & 42 Vic. c.157.
Howth Urban District layer: Derived from pre 1930 OS map sheets in TCD.
Killiney and Ballybrack Township layer: Derived from pre 1930 OS map sheets in TCD.
Kingstown Urban District 1900 layer: (Work in progress).
New Kilmainham Township layer: .
Pembroke Township 1863 layer: Derived from 26 & 27 Vic. c.72. The Pembroke Township Act 1863.
Rathmines Township 1847: 10 & 11 Vic. c.253 and Dublin City Archives. IE DCLA UDC/1. Descriptive List by Dr. Mary Clark,.
Rathmines and Rathgar Township 1862 layer: Derived from 25 & 26 Vic. c.25. Townlands of Rathgar and Sallymount added.
Rathmines and Rathgar Township 1866 layer: Derived from 29 &30 Vic. c.12. Portion of Civil Parish of St Catherines added.
Rathmines and Rathgar Township 1880 layer: Derived from 43 & 44 Vic. c.18. Townland of Milltown added.
Local Government Acts: My thanks for viewing facilities in Early Printed Books Library, Trinity College and National Library Dublin.
Current Electoral Divisions can be viewed at maps.openstreetmap.ie, from text of SIs 12 & 13 of 1986.
Compiled by Brian Hollinshead, December 2016. Base map data copyright OpenStreetMap Contributors.