God has helped or sign of God
Nisaiah is a rare modern name likely created as a blend of the Hebrew name Isaiah, meaning 'salvation of the Lord', and the prefix 'Ni-'. It may also be interpreted as a variant of Nisi, meaning 'my banner' or 'sign', combined with the theophoric suffix '-iah'.
Less common today
Nisaiah isn't in the latest US Top 1000. It last peaked at #1,598 in 2025.
US births per 5-year period, 1990–present (SSA data).
