Can Anyone Help Locating Great Great Grandparents From Sunhill

The Archive have received the following email from Australia.  If anyone has any information about the Mullanes can you please contact us and we will pass it on.

I was wondering how I would go about locating an area where my Great, Great, Grandparents lived when they got married and had my Great Grandfather in 1823 -1830 and after. They lived in Sunhill, Killorglin. Is there any way of knowing approximately where they may have lived through searching  your archive records please? An address, a street, an area? Their names were Timothy and Mary MULLANE (son) Daniel MULLANE