Marcus is a common name that can refer to various individuals throughout history and in contemporary society. It is derived from the Latin name Marcus, which means "warlike" or "brave." Many notable figures have carried this name, including Marcus Aurelius, a Roman emperor and philosopher known for his writings on Stoicism. In modern times, Marcus is often used as a first name in many cultures. It is popular in countries like the United States, the United Kingdom, and Germany. The name can also be found in various forms, such as Mark or Marcos, reflecting its widespread appeal and adaptability.