Island or moon halo
Iylah is a modern phonetic spelling variation of Isla or Ayla. It is often associated with the Scottish river and island name Isla, meaning 'island', or the Turkish name Ayla, meaning 'moonlight' or 'halo around the moon'.
Less common today
Iylah isn't in the latest US Top 1000. It last peaked at #2,095 in 2025.
US births per 5-year period, 1990–present (SSA data).
