Casamajor is a surname of Catalan origin. It is derived from the Catalan words "casa" meaning "house" and "major" meaning "larger" or "greater." Thus, the surname signifies "larger house" or "principal house," suggesting a family that may have owned or resided in a prominent dwelling within their community. The name is relatively uncommon and primarily found in regions with historical connections to Catalonia, such as Catalonia itself and areas influenced by Catalan emigration.
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