Roca is a surname found primarily in Catalan, Occitan, and Spanish-speaking regions. It is a cognate of the English surname Roach, sharing the same root meaning of "rock" or "crag."EtymologyThe surname Roca originates from the Latin word rocca, meaning "rock" or "cliff," which itself may derive from a Celtic source. In Spanish, Catalan, and Occitan, roca directly translates to "rock." The name was originally a topographic surname, given to someone who lived near a prominent rock formation or a town named Roca.Roca is cognate with several other surnames across the Romance-speaking world, including Roche and Desroches (French), Rocha (Portuguese), and Rocca (Italian). All these surnames share the same ultimate origin from rocca.Geographic DistributionAccording to the 2010 United States Census, Roca was the 8,611th most common surname in the US, with 3,819 bearers. The majority of these were of Hispanic/Latino ethnicity (75.46%), reflecting the Spanish origin of the name. Significant numbers also identified as White (19.64%). The surname is common in Spain, particularly in Catalonia and the Balearic Islands, as well as in Latin American countries such as Mexico, Colombia, and Argentina.It is worth noting that the Romanian surname Roca (feminine form) has a separate etymology, having been borrowed from Hungarian Róka, from róka meaning "fox." This illustrates that unrelated names can share the same spelling across different languages, often with distinct origins.Related SurnamesRoach: English cognate of Roca.Roche: French form, from Old French roche.Desroches: French habitational surname meaning 'of the rocks'.Rocha: Portuguese and Galician variant.Rocca: Italian cognate.Key FactsMeaning: "rock," "cliff"Origin: Latin rocca, possibly of Celtic originType: Topographic surnameMain Region: Catalonia, Occitania, Spain, Hispanic AmericasUS Rank (2010): 8,611st most common