| Relationships | Role | Relationship Start | Relationship End |
| Mellon Financial Corporation | Parent | 4/2/1986 | 9/30/1991 |
| Commonwealth National Financial Corporation | Parent | 3/5/1982 | 4/1/1986 |
| Commonwealth National Mortgage Company | Subsidary | 4/2/1986 | 9/30/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Bny Mellon, National Association | Buyer | 23,365,860 | Discontinued | 10/1/1991 | |
| The First National Bank Of Shippensburg | Seller | 49,012 | Discontinued | 4/2/1980 | |
| Harrisburg National Bank And Trust Company | Seller | Discontinued | 1/2/1970 | ||
| The First National Bank Of York | Seller | Discontinued | 1/2/1970 | ||
| First National Bank Of Landisville, The | Seller | Discontinued | 2/1/1967 | ||
| Lititz Springs National Bank | Seller | Discontinued | 9/28/1962 |