Possibly the swiftest route to your roots.
Irish genealogy website directory.
www.rootsweb.ancestry.com/~irlkik/kfamily2.htm
Description:
The arrival of Oliver Cromwell's army in Kilkenny by 1650, dealt a devastating blow to the Old English (Anglo-Norman Catholic) landed gentry. Following defeat, many families remained on as the tenantry of the county, while others transplanted themselves into Connacht.