Kilby Family History
Kilby Name Meaning
English: habitational name from a place in Leicestershire, recorded in Domesday Book as Cilebi. It was probably originally named with the Old English elements cild (see Child) + tun ‘enclosure’, ‘settlement’. Compare Chilton. The second element was then replaced some time after the Danish invasions by the Old Norse form býr.
Source: Dictionary of American Family Names ©2013, Oxford University Press