Moynihan Moynihan Moynihan is a surname of Irish origin. Recorded in several spellings forms including Moynihan, Monahan, Monaghan, Monaham, Minihane, Minihan, and probably others, this is an Irish surname of great antiquity. It originates from the Irish language "Ó Muimhneacháin", which literally translates as "male descendant of the Munsterman". The surname is most popular in Counties Cork and Kerry, which form part of the province of Munster. The modern spellings are usually Moynihan and Monaghan, the spelling in the 16th century being generally recorded as Minighane, and regarded as the principal surname of West Cork. Michael and Mortimer Moynihan were famous
Counties of Ireland and South Ridings in 1838. These Ridings were established as separate administrative counties under the Local Government (Ireland) Act, 1898. County Dublin was abolished as an administrative county in 1994, while also remaining a point of reference for purposes other than local government. Its territory was divided into three administrative counties: Dún Laoghaire–Rathdown, Fingal, and South Dublin. The county borough of Dublin, together with the county boroughs of Cork, Galway, Limerick and Waterford, were re-styled as city councils under the Local Government Act 2001, with the same status in law as county councils. The city councils of Limerick and Waterford