McGonagle (also McGonigle, McGonagall, McGonigal, McGonegal, or McGonnigal) is a surname. The name and its variants derive from the Irish name Mac Congail. . Notable people with the surname include: Allan McGonigal (born 1964), Scottish footballer. Ambrose McGonigal (1917–1979), British Army soldier and judge. Brendan McGonigle (1939–2007), reader in psychology at the University of Edinburgh in Scotland. Bruce McGonnigal (born 1968), American football player. Charles McGonigal (born 1968/1969), American former FBI official. David McGonigal (born 1950), Australian writer and photographer.
https://en.wikipedia.org/wiki/McGonagle