Miller is a common occupational surname that derived from the profession of grinding or milling grain into flour. The word 'Miller' has a few synonyms which can be used interchangeably. Some of these synonyms include: Grinder, Mill operator, Millerer, Millwright, Mill hand, Grinderman, Grindery, Millman, Millerite, and Flour maker. All these synonyms indicate towards the profession of grinding grains. Being a miller was considered an essential occupation back in history, as most of the population relied on flour for their bread and consumed grains in their daily diet. The word miller has been a popular surname for centuries and continues to be used widely.