The First National Bank of Sonora was organized by E.R. Jackson in 1900, only 10 years after Sonora became a town. The move to organize a bank was deemed foolhardy by some who had already seen two financial institutions fail. The organizational meeting was held on May 3, 1900, with E.R. Jackson, E.F. Vander Stucken, W.L. Aldwell, D.A. Cauthorn, J. Lewenthal, S.G.