Henry "Ivo" Crapp, Australian footballer and umpire (born 1872)

Ivo Crapp

Australian rules football umpire

Henry "Harry" Crapp, commonly known as Ivo Crapp, was a leading Australian rules football field umpire in the Victorian Football League (VFL) at its formation in the 1890s, and with the West Australian Football League across the late 1900s and early 1910s.