Thanks for all your information. The Clare County Library (www.clarelibrary.ie
) has quite a lot of information, including excellent interactive maps of the county's parishes, and townlands, and some well-researched historical articles. I don't remember where I saw the term "tithe wars" used, but I think perhaps this gives an exaggerated picture of something more widely organized than it probably was. One of the library's articles is on agrarian conflict in the 1820s and 30s; in any case, a number of people, Catholic and Protestant, were killed.
It's possible that this story didn't take place in Clare. My great-grandmother used to tease her husband about being from Cork. I have plenty of documentation that he in fact grew up in Ennistymon, but since there don't appear to be other related familes there they might have come from elsewhere.
In any case, thanks for your efforts.