1845  No more delicious repast can be offered than a fine Mackinaw trout, caught from the depths of his cool retreat.
1866  There are several varieties of Lake trout, though very similar to one another in habit and qualities; the Mackinaw-trout (Salmo amethystus) being the chief in point of excellence as it is in size; attaining frequently enormous proportions.
1961  The laker (mackinaw trout) is a record. Largest Canadian sport-caught lake char . . . is an 87 pounder. . . .