Green’s Dictionary of Slang

(Aus.) an undertaker.

1885

Bulletin (Sydney) 30 May 6/4: He recognised that […] if he left the final details to be carried out with the munificence of the local Kirby the bill would foot up to a tidy figure, so he just mapped out to a nicety how the obsequies should be carried out. [Ibid.] 11/1: Hearing of the treat in store for him, he went to the local Kirby, ordered a coffin, and had it sent home the same night.