Night beauty or lily flower
Lyliah is a modern elaboration of Lila or Lily. It likely draws from the Arabic word for night, 'layla', or the Latin 'lilium' referring to the flower, often symbolizing purity.
Less common today
Lyliah isn't in the latest US Top 1000. It last peaked at #10,956 in 2013.
US births per 5-year period, 1990βpresent (SSA data).