The interactive map below shows each state’s population percentage of Irish or partially Irish residents. Of any county in the U.S., it’s Cook County, which covers Chicago and the surrounding ...

The states with the highest rate of Irish American citizens are clustered in New England. New Hampshire, Massachusetts, Vermont and Rhode Island have the highest rates of residents claiming Irish ...

However, it can also be argued that the map stamp was technically accurate when it issued, because the Treaty inferred that Northern Ireland was part of the Irish Free State on its creation on the ...