There are multiple origins and meanings for the hugely popular name Jason:
1. Ancient Greek name (Ἴασον) meaning - "Ionian", derived from the ancient Greek word (ἰάθην) [iathin] etymology (definition) - "healing, curing".
Ionians were one of the four major tribes of the ancient Greek people.
2. Old English form of the Hebrew name Joshua - "Yahweh (God) will saves us"
Jason was a late ancient Greek mythological hero, famous as the leader of the Argonauts and their quest for the Golden Fleece. He was the son of Aeson, the rightful king of Iolcus. He was married to the sorceress Medea. Jason appeared in various literature in the classical world of Greece and Rome, including the epic poem Argonautica and tragedian play "Medea".
The name from the list of seventy disciples of Christ in the Eastern Christian tradition. Except the twelve apostles [Andrew brother of the Apostle Peter (the fisherman from Bethsaida, a disciple of John the Baptist), Peter (he is Simon son of John, also called Cephas), John the Evangelist, James son of Zebedee, Philip of Bethsaida, Bartholomew aka Nathaniel, Matthew the tax collector (also Levi Alpheus), Thomas, James the son, Thaddeus son of Alpheus (also known as Jacob or Judah Levi), Simon the Zealot (also Simon the Zealot) and Judas Iscariot (who betrayed Jesus)] Jesus Christ also chosen seventy others: Agabus, Aquila, Amplus, Ananias, Andronicus, Apelles, Apollos, Aristarchus, Aristobulus, Artemas, Archippus, Asyncritus, Achaicus, Barnabas, Gaius, Euodias, Epaphras, Epaphroditus, Epenetus, Erastus, Hermas, Hermes, Zenas, James, Justus, Herodion, Carpus, Cleopas, Clement, Quadratus, Crescens, Crispus, Quartus, Linus, Lucius, Luke, Mark, John, Narcissus, Nicanor, Olympas, Onesimus, Onesiphorus, Parmenas, Patrobus, Prochorus, Pudens, Rufus, Silas, Silvan, Simeon, Sosipater, Sosthenes, Stachys, Stephen, Tertius, Timon, Timothy, Titus, Tychicus, Trophimus, Urban, Thaddeus, Philemon, Philip, Philologus, Fortunatus, Dionysus, Phlegon, Simeon Niger.