Killerby History
Killerby township, in Darlington union and county court district, is 1 mile east-south-east from Ingleton and 7 north-west from Darlington. W. Clark esq. W. Wass esq. the Ecclesiastical Commissioners and W. H. Raine esq. are the chief landowners. The area is 605 acres; rateable value, £953; the population in 1881 was 89.
The children of this place attend Ingleton school.
— Kelly's Directory of Durham (1890)