several other Texas banks during the banking crisis of 1933. In 1938 the name changed again back to Republic National Bank of Dallas. By 1948 Republic had grown to become the largest bank in Texas. In the 1970s, toward the tail end of a lengthy period of expansion and acquisition, Republic acquired the Houston National Bank and held a substantial portfolio of loans to the real estate industry in Texas.

In the late 1980s Savings and Loan crisis,