Ancient Greek name (Ἀλέξανδρος) [Aléksandros] comes from the ancient Greek words (ἀλέξω) [alekso] - "to protect" + (ἀνδρός) [andros] - "of men"="protector of the mankind".
Alexander III of Macedon (356 - 323 BC), popularly known as Alexander the Great, was a king of Macedon. He is the most celebrated member of the Argead Dynasty and created one of the largest empires in ancient history.
St Alexander was one of the 48 Martyrs of Lyons (177 AD). Also with him martyred at this time were: Blandina, Photinus, Zacharias, Epagatus, Macarius, Alcibiades, Silvius, Primus, Ulpius, Vitalis, Cominus, October, Philuminus, Geminus, Iulia, Albina, Grata, Rogata, Oemilia, Potamia, Pompeia, Rhodana, Biblis, Quartia, Materna, Helpes, Sanctus, Maturus, Attalus, Ponticus, Arisceus, Cornelius, Iosinus, Titus, Ivlius, Zoticus, Apollonius, Geminianus, Ivlia, Auzonia, Cemlia, Jamnica, Domna, Iusta, Trophima and Antonia.