Born near Edinburgh in 1813. Educated at Edinburgh High School and the University of Edinburgh. He was elected Professor of Hebrew at the University in 1847, but his appointment was interdicted by the Edinburgh Presbytery. MacDouall then went on the join the fledgling Queen's College, Belfast in 1849 as Professor of Latin, although swiftly transferring to Professor of Greek when it became available in July 1850. He remained at Queen's, where he was a solid favourite amongst his students, until his retirement in 1878. He died a few years later in Belfast during 1883. Publications: Inaugural lecture on the study of oriental languages, (with C.P. Reichel); A Letter to the President of Queen's College, Belfast, on some recent alterations in the course of the Queen's University (1861, printed privately); The Origin of the Legend of the Holy Grail (1903, with an introduction by A.L. Meissner, QUB Librarian).