These are the Down records that I am aware of for that surname:
- McComiskey, Hu.-Townland: Demesne of Down Year: 1833-Down-Down
- McComiskey, Hugh-Townland: Demesne of Down Year: 1833-Down-Down
- McComiskey, Hy.-Townland: Ballydoo Year: 1834-Drumgath-Down
- McComiskey, Laurence-Townland: Brickland Year: 1828-Aghaderg-Down
- McComiskey, Mrs. Townland: Demesne of Down Year: 1833-Down-Down
- McComiskey, William-Townland: Brickland Year: 1828-Aghaderg-Down
- McComisky, John-Townland: North Tyrella Year: 1834-Tyrella -Down
- McComisky, Pat.-Townland: Ballybannon Year: 1829-Killmegan-Down
- McComisky, Pat.-Townland: Ballydoo Year: 1834-Drumgath-Down