Molinero
Molinero is a Spanish surname and occupational name meaning "miller." It derives from the Latin word "molinarius," meaning "one who works at a mill." The name was typically given to individuals who owned or operated a mill, or were employed as a miller, grinding grain into flour.
The surname Molinero is found throughout Spain and Latin America, reflecting the importance of milling in those regions throughout history. Variations of the name exist, and may be spelled slightly differently depending on the region.
The occupation of a miller was a vital one in pre-industrial societies, as flour was a staple food. Millers held a position of some importance within their communities due to their expertise and the essential service they provided. As such, the surname Molinero carries with it a historical connection to this important trade.