There was an elderly couple went missing in Fermoy back in the early 90's. Never been found and the only thing they took was their car.
A couple of years before that another man in his 50's also went missing in Fermoy. He has never been found either.
Article on the old couple .
http://m.independent.ie/irish-news/news/the-couple-who-vanished-without-trace-from-fermoy-30672202.html