Green’s Dictionary of Slang

(US) a Scandinavian person; thus Scandihoovia, Scandinavia.

1890		St Paul Dly Globe (MN) 18 Oct. 8/5: They were forced to stand by him and beat that d—d Scandhoovian.
1901		T.A. Dorgan in Zwilling TAD Lex. (1993) 71: (The Gin Bums’ Crusade) And raid the joint of a poor Scandahoovian.
1903		E.W. Townsend Sure 84: [Y]acht sailors’ orphans, what dere ain’t any of em nearer dan Scandehoovia, where de yacht sailors come from[Ibid] 94: I wished I had a home as far off as Scandehoovia to go to all de time.
1909		Topeka State Jrnl (KS) 4 Mar. 14/4: Harvey county is recognized as the home of the [...] Scandahoovian.
1922		F.B. Harrison Corner-stone of Philippine Independence 270: Yet the foreigner is commonly if good-naturedly designated as a ‘Guinea,’ a ‘dago,’ a ‘wop,’ a ‘harp,’ or a ‘Scandahoovian’.