Meaning :baron as a boy's name is pronounced a bare. it is the old german and old english origin, and the meaning of baron is "young warrior". a title of nobility, along the lines of earl and duke, as a first name. in england, the baron was the lowest rank of the hereditary peerage, which allows its holder and, in the house of lords. it is rare to find, as the nobility of the names of the countries in which there is an official of the aristocracy. also the hebrew word "bar aaron", meaning "son of aaron".,noble man