The following data is extracted from Historical and Biographical Sketches of Sac County, Iowa - Wall Lake.
N. Wright, president of the bank of Wall Lake, was born in Cedar County, Ia., in 1846; resided there until the autumn of 1871, then purchased 320 acres of land in Sac county, on which he moved the spring following. He farmed until Feb., 1882, when he established the bank. Does a general banking business; this is the only established bank in Wall Lake. W.S. Bell, the cashier, is a gentleman of extensive experience in the banking business.
Source: Historical and Biographical Sketches of Sac County, Iowa - Wall Lake