The Claddagh Mhor Pipe Band entertains as the St. Patrick's Day parade travels along Commercial Street. Jill Brady/Staff Photographer

Charlie O'Brien, 5, of Hallowell waits for the St. Patrick's Day parade to arrive along Commercial Street Sunday. Charlie was with her mom, Maire Hayes. Jill Brady/Staff Photographer

Members of the Stillson School of Irish Dance perform while marching in Portland's St. Patrick's Day parade. Jill Brady/Staff Photographer

Gwyneth Fitzsimmons plays the bagpipes while marching with the Claddagh Mhor Pipe Band in the St. Patrick's Day parade Sunday. Jill Brady/Staff Photographer

Deb Gellerson of Raymond marches with a group from the Irish Heritage Center.Jill Brady/Staff Photographer

Colorful flags are carried in the St. Patrick's Day parade Sunday on Commercial Street in Portland. Jill Brady/Staff Photographer

Gov. Janet Mills leads the St. Patrick's Day parade along Commercial Street Sunday. Jill Brady/Staff Photographer

Members of St. Brigid School march in the St. Patrick's Day parade. Jill Brady/Staff Photographer