Cardoso Family History
Cardoso Name Meaning
Portuguese Galician and Spanish: habitational name from any of numerous places with this name from cardo ‘thistle’ + the suffix -oso denoting a place rich in this plant. Jewish (Sephardic): adoption of the Iberian surname (see 1 above) at the moment of conversion to Roman Catholicism. After the return to Judaism (generations later) some descendants retained the name their families used as Catholics.
Source: Dictionary of American Family Names 2nd edition, 2022