Cait, They are one and the same. Carrigeen means "Little Rock," so Carrigeenagappul is the "Little Rock of the Horses." You'll find Carrigeens and Corrigeens all over the place. The spelling differences relate to inconsistencies in rendering Gaelic placenames in English.
Cait,Corrigeen may have been given on marriage cert but the real townland may have been either Annaghmore or Annaghbeg.Both of those townlands are adjacent to the area now known as Corrigeen.There were Kellys in the Annaghmore/Annaghbeg area-not sure if there any now but I can find out for you easily enough. peter.