Baron is the title of the lowest rank of nobility, from the Late Latin baro, which meant "man" or "warrior" before it came to mean "nobleman". Like King and Duke it is a title turned first name, and the spelling Barron is also familiar in the United States. Baron ranked number 1654 in 2000, had its best year in 2008 at number 995 and stands at number 1370 in 2025.