Re: Kirbys and Co.Mayo. You will find that there are literally hundreds of Web Sites covering Ireland and Irish History.Co.Mayo has an excellent one to be found at www.rootsweb.com/~irmay/ . Incidentally Griffiths Valuation lists 27 Kirby surnames in the Co.Mayo so it may be a start. Good Luck ..If you need any more help get back to me. Christine Researching : OBrien/McEvoy/Slattery /Deery/Bailey. Tipperary/Monoghan/Dublin