New Catholic parish maps

The Irish Ancestors map extravaganza continues. This time it's the turn of the Catholic parish maps, long one of the most popular parts of the site, and free to use.
The video describes how the originals they're based on came about, illustrating why they need to be treated with caution.
The video also gives details of a completely new feature, map overlays of civil and Catholic parishes, showing the townlands in each. And why they need to be treated with even more caution.