(Christopher). A nom-de-plume of Professor Wilson, of Gloucester Place, Edinburgh, one of the chief contributors of Blackwood's Magazine.
He's too far north for me. Too canny, too cunning to be taken in; very hard in making a bargain. The inhabitants of Yorkshire are supposed to be very canny, especially in driving a bargain.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894