The building was originally called the CM Tower, for Calcasieu Marine National Bank, then renamed the Hibernia tower after Hibernia purchased Cacasieu Marine.
It is occasionally used for names of organisations and various other things; for instance: Hibernia National Bank, Hibernian Insurance Group, Ancient Order of Hibernians, The Hibernian magazine, Hibernia College, Hibernian Football Club, HMS Hibernia, the Hibernia oil field, and modern derivatives, from Latin like Respublica Hibernica (Irish Republic) and Universitas Hiberniae Nationalis (National University of Ireland).
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