Spanish and Dutch: from the medieval personal name Blas,
a derivative of Blasius.Jewish (Ashkenazic):
nickname for a pale person, from Yiddish blas or modern German
blass ‘pale’.
Dictionary of American Family Names, Oxford University Press, ISBN 0-19-508137-4
19,957
Historical Documents & Family Trees with Blas
The information for this chart came from the U.S. Immigration Collection at Ancestry.co.uk.
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