Jasiah looks like a Biblical name, but it's not. Jesiah is a new coinage, possibly a corruption of Josiah (which is a Biblical name). Josiah is a Hebrew name meaning “God heals”; he was borne from the Bible, specifically in 2 Kings 22-23; he lived during the 7th century B.C.
Jasiah is baby boy name mainly popular in Christian religion and its main origin is . Jasiah name meanings is The Lord supports, the Lord saves, the Lord heals. Other similar sounding names can be Josiah.