Early-attested site in the Parish of Ashleyhay
- Coldebrok(e) 1327 Cl 1330 Ass 1368 CPG
- Couldbrok 1330 Ass
- Coldebrooke 1571 FF
Colebrook (6″), Coldebrok (e )1327 Cl, 1330Ass , 1368CPG , Couldbrok 1330Ass , Coldebrooke 1571FF . 'Cold stream', v. cald , brōc , being named from the now unnamed brook which rises close to the farm. The place gave its name to Colebrook Ward supra 20.