Great Western Financial was one of the large U.S. savings-and-loan/thrift institutions that consolidated during the 1990s. In 1997, Washington Mutual won a takeover battle for Great Western in a transaction valued at roughly $6.6 billion, creating what was then the largest U.S. thrift.

The sequence matters because Great Western had also faced a hostile bid from H. F. Ahmanson & Co. Washington Mutual's competing agreement became the accepted deal, and Great Western branches were subsequently converted into Washington Mutual's network.

For Gavin, this is not merely bank-merger trivia: the Sharon Heights branch in Menlo Park anchors an early U.S. memory. He opened the Great Western account in February 1998, during the period when the Great Western → Washington Mutual identity transition was still tangible to customers.

Washington Mutual then became a much bigger and more infamous story. It expanded aggressively into mortgage lending and failed in September 2008, when regulators seized Washington Mutual Bank and sold its banking operations to JPMorgan Chase — still the largest U.S. bank failure by assets at the time.

Takeaway: A name change on one local branch sits inside two decades of U.S. financial consolidation: Great Western's 1997 acquisition, WaMu's national expansion, then its 2008 collapse.