(died 28 Feb. 1923, in his 79th year), businessman. (Brock Ostrom, I.B. Ostrom) Born, of U E Loyalist descent, in the 4th Concession of Sidney Township, Hastings County, Ont. On 31 May 1875 he was married to Margaret J. MacGregor (1851-1934) of Martintown, GC. (five children, four surviving him) Brock Ostrom was in business as a jeweller and watchmaker in Martintown for 8 years, then came to Alexandria in Nov. 1883. In Alexandria, where he was a businessman for the remainder of his life, he operated a drugstore and jewellery business. In early years the firm was known as Ostrom Bros., the brother being Byron Ostrom, a druggist of Frankford, Ont. In his later years in business, Brock Ostrom had associated with him his sons Ernest Ostrom (in charge of the drugs section) and Clarence Ostrom (in charge of the jewellery section). When the first bishop of Alexandria was consecrated, 1890, Ostrom was one of the presenters of the address from the Protestants of Alexandria and district. (DTL, Standard Freeholder 30 Oct. 1948) * Brock Ostrom died on the same day as Abraham Markson. Presbyterian. The Glengarry News obituary noted that all three of his surviving sons had served overseas in the war. See also E. J. G. MacGregor, his sister-in-law.

Glengarry News 9 March 1923 & The Alexandria Times (copy of this issue in author’s collection) 9 March 1923 * details of business career: Ostrom 281 and obits * obit of his wife, Standard Freeholder 20 April 1934 * leaves on his annual fishing trip to Hastings County, GN 21 July 1905 * death in drowning accident of his son Stanley in Northern Ontario, burial of the body in the wilderness, GN 4 June 1909, Glengarrian 4 & 25 June 1909 * on committee for building new Presbyterian church, Alexandria, GN 12 May 1911