EXHIBIT 21.1

            SUBSIDIARIES OF SOUTHWEST BANCORPORATION OF TEXAS, INC.


1.  Southwest Holding Delaware, Inc.                               Delaware
2.  Southwest Bank of Texas National Association*               United States
3.  Mitchell Mortgage Company L.L.C.**                              Texas
4.  SWBT Insurance Agency, Inc.**                                   Texas
5.  SWBT Securities, Inc.**                                         Texas
6.  Southwest/Catalyst Capital, Ltd. (99% ownership)**              Texas


 *  Subsidiary of Southwest Holding Delaware, Inc.
**  Subsidiary of Southwest Bank of Texas National Association