Green’s Dictionary of Slang

kidden n.

also kid ken
[ kid n.1 + ken n.1 (1)]

[mid-19C] a lodging house frequented by young boys, usu. criminals.

In compounds

kidden-gonnof (n.) [gonnof n. (1)]

[mid-19C] (UK Und.) a boy who frequents lodging houses hoping to pick up minor criminal work.