Just thought you would like to know that the names Mark and Marcus have both Hebrew and Greek origins. Marcus is written this way in Greek: ΜάρκοςMarcus is written this way in Hebrew: מרקוסHitchcock's Bible Dictionary gives the meaning of Mark and Marcus as: polite; shiningSaint Mark the Evangelist (Hebrew: מרקוס; Greek: Μάρκος; 1st century), also known as John Mark, is traditionally believed to be the author of the Gospel of Mark and a companion of Saint Peter.