Welcome to the Mudcat, Mediocre Shepherd. If you're looking for your sheep check out the Master of the Sheepfold Bin. I think it's in the Digitrad database.Anyway, we have several "origin of" threads on Carrickfergus, which you can find in this alphabetised "Origins of Permathread:" just click here.
Have fun and welcome, once again!
katlaughing/kat