Frost Bank – Wikipedia

History Early years. Frost Bank was founded in 1868 as a mercantile partnership in San Antonio by Thomas Claiborne Frost, who had served as a lieutenant colonel in the Confederate States Army. In February 1899, it was chartered as a national banking association. That year, the bank also reached $1 million in deposits. The bank survived the Panic of 1907 with the aid of an association of local …

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