Probably any number of places, but the two I'd suggest are: The Plough and Stars http://www.ploughandstars.com/ It's located on Massachusetts Ave. in Cambridge, about a five-minute walk from the Central Square stop on the Red Line (to Alewife) of the T. & The Irish Embassy http://www.celticweb.com/embassy/ It's located on Friend Street in Boston, about a two-minute walk from the North Station stop on the Green Line (to Lechmere) on the T.