The surname Castells originated in Catalonia, a region located in northeastern Spain and southeastern France, during the medieval period. It is derived from the Catalan word "castell," which means "castle" or "fortified building." This suggests that the name may have been related to the occupation or ownership of a castle or defensive structure.
The earliest recorded instances of the name Castells can be traced back to the 12th century, when it appeared in various documents and records from the region. One notable example is the appearance of the name in the "Llibre Verd," a cartulary or collection of documents from the Cathedral of Girona, dated around 1145.
In the 13th century, the name Castells was also found in the "Libre de Repartiment," a document detailing the distribution of lands and properties in the Kingdom of Valencia after its conquest by the Crown of Aragon in 1238. This indicates that individuals bearing the name Castells may have been involved in the settlement or administration of the newly conquered territories.
Over the centuries, several notable individuals have carried the surname Castells. One of the earliest was Bernat de Castells, a Catalan nobleman who lived in the 13th century and held the title of "Senyor de Castells" (Lord of Castells). Another prominent figure was Jaume Castells, a Catalan soldier and diplomat who served King Peter IV of Aragon in the 14th century.
In the 15th century, Joan Castells was a renowned Catalan physician and author, known for his medical treatise titled "Tractatus de Causis Pestilentiae" (Treatise on the Causes of Plague). Around the same time, Pere Castells was a Catalan painter and sculptor who contributed to the artistic heritage of the region.
Fast-forwarding to the 19th century, Josep Antoni Castells i Casanovas (1818-1890) was a Catalan architect and urban planner who designed several notable buildings and urban projects in Barcelona, including the iconic Eixample district.
It is worth noting that the surname Castells has also been adopted by individuals and families in other regions, particularly in Latin America, due to the Spanish colonial expansion. However, its origins can be traced back to the Catalan region of Spain and its historical connections to castles and fortified structures.