Salvation
Isiaih is a rare spelling variant of the Hebrew name Isaiah. It derives from the name Yesha'yahu, combining the elements 'yesha' (salvation) and 'yah' (referring to the Hebrew God).
Less common today
Isiaih isn't in the latest US Top 1000. It last peaked at #4,489 in 1995.
US births per 5-year period, 1990βpresent (SSA data).