1473  (1949)  Jackashes is the size, shape, make & colour of a martin, Excepting the tail, not being so Bushy and full of hair.
1795  (1911)  I never saw a hollow tree that was capable of affording shelter to any larger animal than martins, jackashes, or wejacks; much less the quiquehatch or Bear, as some have asserted.
1907  Jackash. A name of the American mink . . . in use in the fur country. . . .