Genealogical Sources Available Online

Roman Catholic Parish Registers
Parish Baptisms Marriages Deaths
Ballybrack 1841-1900    
Rathdown Union 1895-1900    
Union Workhouse Rathdown 1841-1900 1876-1894  
Booterstown 1755-1900 1755-1900  
Blackrock 1854-1900  
Cabinteely 1862-1900  
Dalkey 1861-1900  
Dundrum 1854-1900 1865-1900  
Glasthule 1865-1900 1860-1900 (Ballybrack)  
Kingstown/Dun Laoghaire 1755-1900 1755-1900  
Monkstown 1855-1900 1865-1900  

Church of Ireland Parishes
Parish Births Marriages Deaths
Booterstown 1824-1900 1824-1845  
Carysfort 1851-1891  
Dalkey 1877-190  
Donnybrook 1712-1900 1712-1900 1712-1916
Dun Laoghaire/Christchurch 1852-1900  
Dun Laoghaire/Mariners' 1843-1900  
Glenageary St. Paul's 1890-1900  
Holy Trinity, Killiney 1861-1900 1817-1866  
Kiltiernan 1817-1895 1890-1900 1817-1900
Matthias Ballybrack 1829-1864
Newcastle Lyons 1768-1847 1773-1859 1776-1847
South Dublin Union 1864-1897

Census Records

Year Description
1901 Census of Ireland

Census Substitutes and Other Records

Year Description Records
1912-1918 Air & Army Officers born or resident in Dun Laoghaire, Rathdown who died in WW1 82
1912-1918 Record of Naval Mercantile & Marine from Dun Laoghaire & Environs who died in WW1 49
1912-1918 WW1 Dun Laoghaire Soldier Death Records 372