Paul is a common Latin masculine given name in countries and ethnicities with a Christian heritage (Eastern Orthodoxy, Catholicism, Protestantism) and, beyond Europe, in Christian religious communities throughout the world. Paul – or its variations – can be a given name or surname. Origin and diffusion. The name has existed since Roman times. It derives from the Roman family name Paulus or Paullus, from the Latin adjective meaning "small", "humble", "least" or "little" . During the Classical Age it was used to distinguish the minor of two people of the same family bearing the same name.
https://en.wikipedia.org/wiki/Paul_(given_name)