The Irish News
http://www.irishnews.com/
Paid subscription needed to view full articles.

The Irish Times
http://www.ireland.com
Paid subscription needed to view full articles.

The Irish Independent
http://www.unison.ie/irish_independent/
Registration required, but initial access is FREE.

The Irish Voice
http://www.irishvoice.com/
Articles available freely online under "Irish News."

The Irish Echo
http://www.irishecho.com
Articles available freely online.

Indymedia Ireland
http://www.indymedia.ie/newswire.php
Articles available freely online.

BBC -- Northern Ireland
http://www.bbc.co.uk/northernireland/
http://news.bbc.co.uk/1/hi/northern_ireland/default.stm
Articles available freely online.