Noble
Adalae is a modern American coinage, likely created by blending the Germanic prefix 'Adal' (meaning noble) with the popular 'lae' or 'leigh' suffix. It shares the same etymological roots as classic names like Adelaide and Adeline. While it lacks a long historical record, it follows the contemporary trend of melodic, multi-syllabic names for girls.
Less common today
Adalae isn't in the latest US Top 1000. It last peaked at #4,293 in 2015.
US births per 5-year period, 1990βpresent (SSA data).