Gilligan's brother was Arthur Gilligan, who captained England in 1924–25, making them the first, and to date only, brothers to have captained England.
Harold Pinter | Harold Wilson | Harold Macmillan | Harold Bloom | Harold Godwinson | Harold Lloyd | Gilligan's Island | Harold Stassen | Harold Prince | J. Harold Ellens | Harold Holt | Sir Harold Hillier Gardens | Harold Washington | Harold Hitz Burton | Harold Alexander, 1st Earl Alexander of Tunis | Harold Peto | Harold & Kumar Go to White Castle | Harold Arlen | Harold | Harold Budd | Harold Eugene Edgerton | Harold Bauer | Harold von Schmidt | Harold Robbins | Harold Laski | Harold Gould | Harold Gillies | Harold Bradley | Harold Alexander | Harold Acton |
Their side for the first such game, against Rest of England at Eastbourne in September 1922, included no fewer than eight current or future Test cricketers: Jack Hobbs, Wally Hardinge, Frank Woolley, Percy Fender, Harold Gilligan, George Geary, Charlie Parker and Abe Waddington (though none of them was currently serving in the RAF).