The Spanish surname Del Castillo from castillo meaning “castle or fortified building” (from the Latin word castellum), is an  habitational name from any of numerous places so named or named with this word.The name is found throughout Spain and was brought to the New World at an early date. Examples of these early recordings include Beltran Del Castilloo, at San Bernardino, Xochimilco, Mexico, in 1535, Diego Del  Castilla in Peru in 1555. Josef Castillo married Maria Sinoba Bojorquez at Santa Barbara, California, on November 30th 1805.