Champion or cloud; possibly a modern variation of Nyla.
Nyliah is a modern American invention, likely a creative elaboration of the name Nyla. While its exact roots are fluid, it is often associated with the Arabic name Nailah, meaning 'attainer' or 'successful,' or the Gaelic name Niall, meaning 'champion' or 'cloud.'
Less common today
Nyliah isn't in the latest US Top 1000. It last peaked at #5,801 in 2020.
US births per 5-year period, 1990βpresent (SSA data).