Kilby Family History
Kilby Name Meaning
English: habitational name from Kilby in Leicestershire. The placename derives from Old English cild ‘child’ (genitive plural cilda) + Old Norse bȳ ‘farmstead village’ with change of initial Ch- to K- due to Scandinavian influence. There may have been some confusion with Kelby .
Source: Dictionary of American Family Names 2nd edition, 2022