Looking for a Halloween Event to keep the kids entertained over the weekend? Then check out these links. If you know of any other fun events then please add a comment. Happy Halloween!
MyKidsTime Halloween Events in Galway, Dublin North, Dublin South
Halloween on RollerCoaster.ie
Halloween Events on Heritage Ireland
Halloween Events at GoIreland
Dublin Antics at Dublin Tourism
Halloween Calendar on Schooldays.ie
Halloween Events at Meath Tourism
HallowFest in Dublin South County
List of Halloween Thrillers from the Indo
PuddleDucks Blog 
Stephen said
Great selection of events here cheers.