| Relationships | Role | Relationship Start | Relationship End |
| Tomball Bancshares, Inc. | Parent | 10/19/1981 | 3/31/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| The Hamilton National Bank | Buyer | 165,437 | Failure | 4/1/1988 |
| Relationships | Role | Relationship Start | Relationship End |
| Tomball Bancshares, Inc. | Parent | 10/19/1981 | 3/31/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| The Hamilton National Bank | Buyer | 165,437 | Failure | 4/1/1988 |