" The need for labour, combined with the sheer poverty of Ireland, inspired that despairing urge for emigration in search of a better life which is universal to history. St Patrick’s Day began to be celebrated in Manchester. By 1821 there was said to be an Irish Catholic population in Liverpool of 12,000, which would rise to 60,000 in the next ten years. "

― Antonia Fraser , The King and the Catholics: The Fight for Religious Liberty in Georgian England