Helpful Links:

What was Ireland like 100 years this month?
http://www.rte.ie/centuryireland/

Where was your townland ?
http://www.swilson.info/

Where was your surname in Ireland?
http://www.irishtimes.com/ancestor/

Whats new in Irish Genealogy?
http://www.irishgenealogynews.com/

New civil indexes now online:
http://www.irishgenealogy.ie/en/

Free family search indexes;
https://familysearch.org/