MONTIGNY, Casimir Amable Testard de, Canadian merchant, born in Canada, 3 June. 1787; died in St. Jerome, Canada, 15 February, 1863. After leaving college he engaged in the fur-trade near the Lac des Deux-Montagnes and soon acquired a large fortune, part of which he employed in colonizing the country where he had settled. In a short time he cleared the forests of what was then known as the Rividre du Nord, and founded the parish of St. Jerome. During the war of 1812 he held a command in the Canadian militia and took part in the engagements that led to the retreat of General Henry Dearborn. In 1837 he endeavored to prevent the insurrection of that year, and was taken as a prisoner to St. Eustache by the insurgents, but his representatives kept large numbers from joining in the revolt. The rest of his life was spent in St. Jerome. of which he was mayor.