1910, John McElroy (1846-1929), Si Klegg "Ketch what? Great grief, ketch what?" groaned Si. "They've already ketched everything in this mortal world that was ketchable. Now what are they goin' to ketch?" "Why, the smallpox, you dumby," said the Surgeon irritably. "Don't you know that we are terribly afraid of a visitation of smallpox to the army? […]
Source: wiktionary