| Relationships | Role | Relationship Start | Relationship End |
| Commonwealth Bancorp, Inc. | Parent | 12/31/1984 | 10/5/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Comerica Bank - Texas | Buyer | 4,562,763 | Failure | 10/6/1989 | |
| Commonwealth Bank - Lamar, National Association | Seller | 42,246 | Discontinued | 5/20/1988 |