(no title) “The following are the names of places in the townland of Derrycahill in the Parish of Dysart in County Roscommon.” CBÉS 0269D Bridget Coyne Derrycahill, Co. Ros Comáin Transcript
(no title) “There is a fort in the townland of Derrycahill. ...” CBÉS 0269D Bridget Coyne Derrycahill, Co. Ros Comáin Transcript