James Bell Forsyth (25 December 1802 – 1 April 1869), was a prominent Quebec merchant and author. In 1831, he built Domaine Cataraqui, Sillery, Quebec.
Born at Kingston, Upper Canada, he was the second son of Joseph Forsyth (1764-1813) and his wife Alicia, daughter of Major James Robbins of the Royal Artillery. The Forsyths were an influential merchant family with strong commercial ties to England, Scotland and the colonies. Through his grandparents he was connected to the important London trading house of Phyn, Ellice & Co., a subsidiary of which was Forsyth, Richardson & Co., of Montreal, where two of his uncles, Thomas and John Forsyth, were partners; this firm prospered in the fur trade and expanded into other activities such as the agent and forwarding business. Another of his uncles, James Forsyth, was associated with Lloyd's of London. James bell Forsyth's father, Joseph Forsyth, came to Canada in 1784 as the agent for Forsyth, Richardson & Co., at Kingston, Ontario. Forsyth was educated there and in England.
In 1821, he went into partnership with The Hon. William Walker M.P., and together they succeeded Forsyth's father as the agents to Forsyth, Richardson & Co., in Kingston, Ontario.
In 1828, he married Frances, the second daughter of Mathew Bell. His business partner, William Walker, also married one of Bell's daughters, and their brothers-in-law included Lt.-Colonel John George Irvine (son of James Irvine), a Quebec businessman and The Hon. Edward Greive M.P. James and Frances Forsyth were the grandparents of General Sir Henry Edward Burstall and The Hon. George Irvine.