merchant who arrived at Green Bay in 1817; his younger brother, Alexander, came with their father, Robert Irwin, Sr., in 1822-23, and all three became prominent in the business and social life of the town.

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[Source: Baird, Elizabeth T. "Reminiscences of life in territorial Wisconsin" at Turning Points in Wis. History (www.wisconsinhistory.org/turningpoints/).]