NORTH DARTMOUTH ThereweremanyIrisheyessmiling inSoutheasternMassachusettslast . Saturday duringaday-long seriesofactivitieshosted by the New Bedford Friendly Sons of St. Patrick. Specialguestsof honor included Councillor Pat Ramsey,mayorof Derry, Northern Ireland, his wife, Mayoress Chris Ramsey,ChiefExecu- tiveCathalLogue,and hiswife,Mary. Thefestivitiesbeganinthemorn- ingatSt.Julie BilliartChurch.A half-hourbeforethespecial,9a.m. Mass,MassachusettsStateTrooper, DanClark,"TheSingingTrooper,"