Sierra Family History
Sierra Name Meaning
Spanish: habitational name from any of numerous places called (La) Sierra from sierra ‘ridge or chain of hills’ (from Latin serra ‘saw’). Compare Cierra . Catalan: Castilianized form of Serra a cognate of 1 above. Jewish (Sephardic): adoption of the Spanish 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