This might have nothing to do with your Wright family but you should know that General Joseph Holt of the Irish rebellion of 1798 had relatives named Wright. It is mentioned in his memoirs. He was passing the area that they lived when he mentioned Mr Wright his relative.
I cannot remember the area now but you will find it in The Memoirs of Joseph Holt. available to download free on www.archives.org
This website has loads of free historic books. There are two volumes but it will probably be in the first volume which is about his time in ireland. the second volume is mainly about his time in Australia and his eventual pardon after which he returns to Ireland.