The name Castillo is derived from the Late Latin word "castellum," which meant a fortified building (a castle), a set of buildings or even a village. The region of Castilla in central
, an independent kingdom from the 11th to the 16th century, was so named because of the many castles located there.
The surname Castillo was first found in the mountainous area of Santander, in the northwestern region of the Iberian peninsula.
This web page shows only a small excerpt of our Castillo research.Another 116 words (8 lines of text) covering the years 1699, 1760, 1757, 1760, 1602 and 1656 are included under the topic Early Castillo History in all our PDF Extended History products and printed products wherever possible.