Salvation
Iasiah is a rare variant of the Hebrew name Isaiah. It derives from the name Yeshayahu, combining 'yasha' (to save) and 'yah' (referring to the Hebrew God). While the spelling with an extra 'a' is uncommon, it retains the profound spiritual significance of the biblical prophet.
Less common today
Iasiah isn't in the latest US Top 1000. It last peaked at #6,948 in 2002.
US births per 5-year period, 1990βpresent (SSA data).