[2] It was the last of 33 banks chartered in the US that used the forbidden title "United States" in its name.
[4][5] The Galveston bank would be the last to be chartered using this name, as in 1926 the United States Congress banned the use of the words "Reserve", "United States" and "Federal" in bank titles.
[6] Under a grandfather clause, banks that already had titles incorporating those words were allowed to keep them.
[4][6] On May 3, 1982, Cullen/Frost Bankers, Inc. issued shares of common and redeemable preferred stock for all of the outstanding preferred and common stock of United States National Bancshares, Inc. and Galbank, Inc. which together owned all of the capital stock of United States National Bank of Galveston and Sugar Land State Bank.
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