Just in case anyone is interested, I wanted to say thank you again for everyone's help. On my honeymoon in May, I was actually able to go to Mohill. The people at the pub directed me to Tullybradan, and to the Rourke house that is STILL STANDING. It's all falling over with vines crawling through the windows, but it was really really neat to see where my g-g-grandma grew up.
Couldn't have happened without your help!