I don't know if this helps, but here is my connection to Dingle. My g-grandmother Johanna(Hanna) Callagahan(Callahan)born abt. 1865, came from Dingle parents Bartholomew and Mary(Goold) Callaghan. Siblings that I know of. Minnie, John, Patrick, Mary(Margaret?). Patrick and Mary settled in Brooklyn,NY Mary married a Sullivan. My g-grandmother Hanna, John and Minnie settled in Holyoke,MA. JoHanna married John Foley about 1882. John's parent where Timothy and Julia(Fogarty). In his obit said he came from Killarney. I have Hanna Baptismal record. St Mary's Church. found a possible sister of Bartholomew Johanna.
I also have Griffin on the other side. Thomas Connor(O) married Ellen (Griffin) Connor live in Castlegregory. Thomas and 3 daoughters came to US settled Holyoke,Ma Catherine my g-granmother, Mary died 27yrs and Ellen(Nellie). Nellie married Leary lived in Westfield,Ma. Looking for sons? I haven't found her yet but Thomas's wife Ellen(griffin) might have come over too. Dont' know yet. Catherine my G-Grandmother married Patrick Hogan 1885. I have more info if needed.