(1 Aug. 1843-1922), physician. Born at Martintown, GC. Parents: John McArthur, a lumber merchant, and his wife Margaret McMartin. Attended Williamstown Grammar School. As a young man, while probably still in his teens, he taught school at McGillivrays Bridge in GC, where one of his pupils was Elias L. Urquhart. In 1867 MacArthur obtained his medical degree from McGill University. MacArthur had a long and successful medical career in Chicago. He was on the staff of the Presbyterian, St. Joseph’s, and Henrotin hospitals there, and was a professor of dermatology at a Chicago polyclinic. He is variously described as having an “extensive practice” in Chicago (1898), and as a “well-known Chicago physician” (1911), and as taking “high rank” (1912) among Chicago physicians, and as being “a prominent Chicago doctor.” (1934). Presbyterian. He was married in 1876 to Jemima Beattie, who seems to have been from St. Andrew’s, Que. There were children but none surviving him. He died at Henrotin Hospital, Chicago. He was the brother of the lumbermen Alexander, Archibald, Peter and John McArthur, and on the death of Peter in 1910 he remained as “the only surviving brother.”
Obituary Cornwall Standard 2 Nov. 1922 (repr. from Chicago Canadian-American) * Morgan (1898) 674 and Morgan (1912) 673-674, 1209 * obituary of his brother Peter McArthur, Cornwall Standard 13 Jan. 1911 (repr. from Toronto Mail & Empire) * Star News (Medford, Wisc.), 19 April 1934 (obituary and biog. sketch of Elias L. Urquhart)