Arabella Jeanette Charlotte Violet Mowbray "Janet" Jackson (28 September 1891 – 21 November 1960) was an Irish golfer, winner of the Irish Ladies' Amateur Close Championship in 1913, 1914, 1919, 1920, 1923 and 1925.[1][2][3][4]
IGA
was invoked but never defined (see the help page).