There are a number of resources for connecting with other Irish Setter owners whether it's for sharing information, attending shows, or just making new friends for you and your dog. Below you'll find a list of helpful links to get you started.
http://www.irishsetterclub.org/ - Irish Setter Club of America. This club offers much in the way of information about the breed and has many contacts with both breeders and registering bodies. As one of the most respected authoritative bodies on the breed, if you plan to show your Irish Setter and you're living in the US, this would be an ideal club to join.
http://www.irishsettercanada.org/ - Irish Setter Club of Canada. The Canadian counterpart to the Irish Setter Club of America, this club is again focused on building contacts with breeders and other organizations as well as offering a place to fellowship with other owners. This organization is also well known for issuing, four times a year, a newsletter called PAWPRINTS which is considered a source of great up-to-date information on the Setter.
http://www.irishsetter.org.uk/ - Irish Setters United Kingdom and Ireland. One of the larger clubs in the UK, this group keeps abreast of all news concerning upcoming shows as well as which breeders are getting ready to offer up new litters for sale.
http://www.isbc.org.uk/ - Irish Setter Breeders Club. An organization based in the UK that is devoted solely to those who breed the Irish Setter, providing information and resources on potential adopters and assistance with properly registering new litters.
http://www.saveoursetters.org/Links.html - Save Our Setters, Inc. This is a rescue operation helping to find new homes for abandoned or unwanted Setters of all types. They operate across the entirety of the United States, so this can be a very valuable resource if you're looking to adopt a Setter of your own and want a reputable source.
http://www.bdarn.com/ - Bird Dog & Retriever News. This is considered to be the largest and one of the most widely read regular publications about (among other things) the Irish Setter. Published bimonthly, you'll find lots of articles and information pertaining to the care of your Setter, as well as news about upcoming events and submissions from other Irish Setter owners.
http://www.kennelclubbooks.com/ - Kennel Club Books. The publisher of many informative books on various breeds of dog including The Comprehensive Owner's Guide: Irish Setters which is considered by many to be one of the best one-stop sources on the breed, with information ranging from breed standards to common medical problems and how to prevent them.