I have a Matthew Mason m. c. 1846 to Johanna/Judith Boland with the following children born in the Townland of Shannakyle in the ecclesiastical Parish of Parteen (all near Limerick City):
Michael (2), Thomas, James, Martin, John (2), Patrick and Mary.
Other placenames in my "collection": Gillogue, Athlunkard, Cloonoughter etc.
Do you see any connection? Appreciate any information you might have to offer.