Its pronunciation is JH AA N †. Jean is used chiefly in the French language and it is derived from Hebrew origins. The name is derived from Jehan (Old French) via Iohannes (Latinized); these are also the source forms of the name John.See Jean for more information.Jean is a variant of the name John (English and Hebrew) in the French language.Jeane, Jeanne, Jeannie, Jeano, Jeanot, Jeanty, Jeen, Jene, and Jean jéan are variants Of. Jean jean is rare as a baby name for. Boys at the modest peak of its usage in, 1928.0029 % of baby boys were given the Name. Jean it ranked #at 307. thenhe name is derived from Jehan (Old French) via Iohannes (Latinized); these are also the source forms of the name John. See Jean for more information. Jean is a variant of the name John (English and Hebrew) in the French language.