Arthur James Matheson (December 1842 – January 25, 1913) was a Canadian lawyer and politician. He served as a Conservative Member of the Legislative Assembly of Ontario for Lanark South from 1898 to 1913, and was provincial treasurer from 1905 to 1913.
Arthur James Matheson was a politician spanning four decades.
1898 to 1913, and was provincial treasurer from 1905 to 1913.

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