Book excerpt: Outlines of a Gaelic public sphere -- Inserting the Gaelic in the public sphere -- Irish Philadelphia in and out of the Gaelic sphere -- Transatlantic origins of the Irish American Voluntary Association -- A microanalysis of Irish American civic life : Ireland's Donegal and Cavan emerge in Philadelphia -- The forging of a collective consciousness : militant Irish nationalism and civic life in Gaelic Philadelphia -- Sport, culture and nation amont the Irish of Philadelphia -- A Gaelic public sphere : its rise and fall.