Rautio

Rautio is a Finnish surname. It is derived from the Finnish word "rauta," meaning iron. The name likely originated as an occupational surname for someone who worked with iron, such as a blacksmith or iron miner, or perhaps as a topographical surname for someone who lived near an iron deposit. The suffix "-io" is a common suffix in Finnish surnames. The name is found primarily in Finland. The frequency of the surname Rautio is relatively low, making it a distinctive surname.