Green’s Dictionary of Slang

1. a derog. term for an Inuit.

1894		Outing (N.Y.) Feb. 366/2: When we came up to our husky, his face beamed joyously as he pointed with great pride to his game [DA].
1945		R. Service Ploughman of the Moon 201: I don’t like huskies.
1949		Monteleone Criminal Sl. (rev. edn) 126: Huskey An Eskimo.

2. a derog. term for the Inuit language.

1864

C.F. Hall Life among Esquimaux I 66: Carl Petersen no speak Husky [...] quick [DA].