Scottish and English: habitational name from any of various
places in southwestern Scotland and northern England that are named
with Old Norse kross ‘cross’ + býr ‘farm’,
‘settlement’.
Irish: Scottish and English surname (see 1
above) adopted by bearers of Gaelic Mac an Chrosáin (see
McCrossen).
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
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