Mark m. Latin Marcus, a praenomen derived either from Latin Mars, the name of a god, or Etruscan Marce, of unknown meaning.
The name of one of the Biblical Evangelists, a 2nd C Roman emperor, a 3rd C Roman emperor, a 4th C pope, a 5th C Roman usurper in Britain, a 5th C Byzantine emperor, a 6th C ruler of Cornwall, and a 15th C Greek saint. Wyclif (1395): Mark.
The French dim. Marceau is a vocalic form of Marcel.