Michael Aloysius MacConaill, MRIA, FLS (27 July 1902, Ballymena, County Antrim – 28 January 1987) was an Irish medical doctor, anatomist, author, and activist.
[1][2] MacConaill's activities in the Irish War of Independence, described as "First Aid Instructor and Organiser of Medical Services, Belfast Brigade III Northern Division 1919-1921" are recorded in his Witness Statement to the Bureau of Military History in 1951.
He published a great number of scientific articles and invited book chapters, and co-authored two highly regarded books: Synovial Joints: Their Structure and Mechanics and Muscles and Movements: A Basis for Human Kinesiology.
A linguist, he had a comprehensive and detailed knowledge of at least eight languages, all of which he spoke fluently, including Irish.
He was active in the Irish Red Cross, and Commandant of the First Field Ambulance Company of the local defence force in Cork.