Online Reference Services



Vision-net is an Irish company providing online access to all the latest company, business and director information in Ireland, Northern Ireland, and the UK.  All data is sourced from the Company Registration Office in Ireland, the UK Companies House, the Courts, National Newspapers and the Insolvency Service.  Available documents include Audited Company Accounts, Changes in Directors, Allotments of Shares, Credit Ratings and Mortgages or Charges. Information is updated daily.

To access Vision-net, click on the link Vision-net and enter your library card number.


Oxford Dictionaries

Oxford Dictionaries provides expert recommendations on grammar, spelling and usage; essential guides to the written word; and specialist dictionaries for writers, editors, proofreaders and other professionals.

Please click here to go to Oxford Dictionaries. Use your dlr membership card barcode number where it says to log in with a library card, then select Dún Laoghaire-Rathdown County Council.


The Oxford Dictionary of Family Names in Britain and Ireland

This comprehensive work has over 45,000 entries covering English, Scottish, Welsh, Irish and Cornish surnames. Information available for each name includes geographical distribution, history of origins and genealogical notes.

You can access this service by using your Library Card number to login. Please click here to go to the Oxford Dictionary of Family Names in Britain and Ireland website.


Ask about Ireland 

Brings the Ireland of the past alive and provides information on all aspects of Ireland today, including exciting content from Ireland’s public libraries, museums and archives. The site also hosts Griffiths Valuation.  Please click here to go to the Ask about Ireland website 


Dictionary of Irish Biography 

Contains nearly 11,000 posthumous biographies from earliest times to date, which describe and assess the careers of Irish subjects in all fields of endeavour. From March 2021, DIB is open access, so user credentials are no longer required.  Please click here to go to Dictionary of Irish Biography


Encyclopaedia Britannica

Includes thousands of searchable articles and related websites selected by Encyclopaedia Britannica authors. Three editions to choose from; Library, Student or Junior. You will need your library card number and PIN to use this service.


Statistical Yearbook of Ireland

The Statistical Yearbook of Ireland is published by the Central Statistics Office. The Yearbook presents a statistical picture of Ireland and is compiled mainly from the data published by the CSO for the most recent full year.

Statistical Yearbook of Ireland


dlr Libraries have other online resources which are only accessible in our library branches. Please click here to find out more.