State Street



1792–1865	1865–1925	1925–1960	1960–1977


1977–1997	1997–2015	2015–2023	2023–present

Union Bank[]

1792–1865[]

LOGO MISSING

National Union Bank of Boston[]

1865–1925[]

LOGO MISSING

In 1865, Union Bank received a national charter and became the National Union Bank of Boston.

State Street Trust Company[]

1925–1960[]

LOGO MISSING

In 1925, the bank merged with State Street Trust Company, a separate bank established in July 1891 and formerly known as State Street Deposit & Trust Co. The merged entity took on the State Street name, with National Union as the nominal survivor of the merger. The bank continued to operate under National Union's charter.