| Caldwell English, Scottish, and northern Irish: habitational name from any
of several places in England and Scotland, variously spelled, that are
named with Old English cald ‘cold’ + well(a) ‘spring’,
‘stream’. Caldwell in North Yorkshire is one major source of the
surname; Caldwell in Renfrewshire in Scotland another. Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4 |