Very Slow Sessions Paris Musique Irelandaise. I don't read French, so I don't know what all the content is, but there are several tunes with notation and mp3 audio files on the site.
It might not be cool to get your blarney second hand from French sources, but it doesn't bother me. Check it out! Plus, if you understand French then there appears to be a lot of additional information that might be of interest.