Save Gender Masculine Usage Spanish (Latin American), Portuguese (Brazilian) Pronounced Pron. GYAY-son(Spanish) YAY-son(Spanish) ZHAY-zon(Brazilian Portuguese) [key·IPA] Other Forms FormsJeyson, Yeison, etc. Meaning & History Spanish and Portuguese form of Jason, reflecting the English pronunciation.One bearer of this name is Colombian footballer Jeison Murillo (1992-).