| Relationships | Role | Relationship Start | Relationship End |
| Comerica Incorporated | Parent | 11/29/1979 | 12/31/1989 |
| Lake Shore Financial Corporation | Parent | 12/31/1976 | 11/28/1979 |
| Lake Shore Financial Corporation | Parent | 7/2/1973 | 12/30/1976 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Comerica Bank National Association | Buyer | 1,791,219 | Discontinued | 1/1/1990 |