The singer thinks half a century back to "a cold Saint Patrick's Day, With my father and my mother then And children we just numbered ten." He thought they were lost until "I heard my father say, 'Here's the O'Halloran Road! This is the way [home]'"
Ives-DullCare: "Gavin's Cross ['And when we came to Gavin's Cross Us children thought that we were lost'] ... is present day Bloomfield Corner ... where the O'Halloran Road branches off from the Western Road."
Bloomfield Corner is near the north coast of Prince County, Prince Edward Island. - BS