All of the following websites are not strictly Irish singles sites, but you can find Irish personals ads at each one of them.
http://www.getout.ie/ - An Irish dating site that uses various methods to bring single people together in fun and interesting ways.
http://www.anotherfriend.com/ - This is one of Ireland’s biggest Irish dating sites with thousands of Irish personals.
These words are from the website:
“Young and old, gay and straight; people from all over the country come to AnotherFriend.com to meet new singles, find dates, relationships or even life partners. We attract about 4,000 new singles every month from all over Ireland. So why not check out some of our busiest areas by looking at dating in Dublin, dating in Cork, dating in Galway and dating in Limerick?”
Features include photos, one-on-one chat, email, forum/message board, dating blog, singles events, and more.
http://www.sparkdating.ie/ - A dating service for single people in Northern Ireland and the Republic Of Ireland. It’s free to register and free to reply to messages.
http://www.plentyoffish.com/ - This is a 100% free dating site. Select “Ireland” as the country to see the Irish personals.
http://dating.irishtimes.com/ - If you live in Ireland or want to meet someone living there, this is a good site to check out.
From the website home page: “Welcome to Irish Times Dating, Ireland's top dating service. It is free to join and gives you access to Ireland's largest online dating community. Find your perfect match on the biggest and best Irish online dating service.”
http://www.maybefriends.com/ - Another Ireland dating site to meet Irish guys and women. It’s free to join, but upgrading to a premium membership gives you more features.
http://www.irishsingles.singlescrowd.com/ - “Irish Singles dating for fun, friendship, romance, love and marriage opportunities. FREE registration on this international dating site. Meet others who are Irish from around the world and chat on forums and e-mails.”
http://www.irishabroad.com/Home/Default.aspx - This is not an Irish dating site, but it’s a great place to meet Irish people. There’s information on travel packages and social events.
http://www.efriends.ie/ - “Ireland's newest, freshest and highly commended social networking website. efriends.ie is not just a website, infact it's just like a great social venue where people can interact with each other online to enhance their social contacts and to build friendships and relationships.”
http://www.letsgoni.com/ - Let’s Go organizes events for single, divorced, separated and widowed Irish people.