McConologues

Searching for the parish in which the family of Edward McConologue lived. Edward was born appx 1805, married to Catherine Bridget Mulherrin. They settled in Arootstock County in the town of Houlton, Maine. The next best information I have is he listed his "place of origin" as Letterkenny. My work has indicated that Letterkenny is in Donegal county but that Letterkenny has three parishes? So, I am not certain that by joining the Donegal parish message board that I am proceeding correctly. Forgive me if I am in the wrong "pew", so to speak.