#1 Michael Kirby, writes on visual arts and was active in the 1960s through the 1990s; Happenings.
#2 Michael Donald (M.D.) Kirby 1939-, Australian jurist; Reform the law : essays on the renewal of the Australian legal system.
#3 Michael Kirby 1925-2002, Canadian figure skater; Figure Skating to Fancy Skating : Memoirs of the Life of Sonja Henie.
#4 Michael Kirby 1906- , Irish writer who also writes in Irish under the name Mícheál Ua Ciarmhaic; Skelligs Sunset.
#5 Michael Kirby 1961-, Geometric Data Analysis.