Isaac Buchanan (July 21 1810 - October 1 1883) was a businessman and political figure in Canada West. He was born in Glasgow, Scotland in 1810 and became an apprentice to a firm of Glasgow merchants in 1825. He became a junior partner in a new Montreal wholesale business opened by the firm; Buchanan moved to York (Toronto) to be closer to clients in Upper Canada. In 1834, with his brother Peter, he bought the business in York and set up an office in Glasgow. Wikipedia
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