EXHIBIT 21 SUBSIDIARIES OF HIBERNIA CORPORATION

|NAME OF SUBSIDIARY                                                                                    | STATE OR OTHER JURISDICTION     
|----------------------------------------------------------------------------------------------------- | --------------------------------
|                                                                                                      | OF INCORPORATION OR ORGANIZATION
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia National Bank                                                                                | United States                   
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia Capital Corporation                                                                          | Louisiana                       
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia Southcoast Capital, Inc.                                                                     | Louisiana                       
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Zachary Taylor Life Insurance Company, Inc.                                                           | Louisiana                       
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia Investments, L.L.C. (1)                                                                     
|(formerly Hibernia Investment Securities, Inc.)                                                       | Louisiana                       
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia Insurance Agency L.L.C.                                                                      | Louisiana                       
|(doing business as Hibernia Rosenthal and Hibernia Rosenthal Insurance and Hibernia Friedler-LaRocca)
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia Insurance Agency of Texas, Inc. (1)                                                          | Texas                           
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia Reinsurance Company (1)                                                                      | Vermont                         
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|HTA Investments, L.L.C. (1)                                                                           | Louisiana                       
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|Hibernia Asset Management Limited Partnership (1)                                                     | Texas                           
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|(1) Subsidiary of Hibernia National Bank                                                             
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|                                                                                                     
|All other subsidiaries considered in the aggregate would not constitute a significant subsidiary.