Kilmanahan (Irish: Cill Mhainchín) is a townland in the historical barony of Glenahiry in County Waterford, Ireland.
[1] The townland, which has an area of approximately 2.75 square kilometres (1.06 sq mi),[2] had a population of 40 people as of the 2011 census.
[3] A church, traditionally associated with Saint Mainchin and which gives the area its name, was formerly located in the townland.
[4][5] The nearby Kilmanahan Castle, a Georgian manor house incorporating the structure of an earlier tower house,[6] is sometimes associated with the Greene family.
This article related to the geography of County Waterford, Ireland is a stub.