Noble, of noble birth
Aleyssa is a modern phonetic variant of Alicia or Alyssa. It ultimately derives from the Germanic name Adalheidis, which combines the elements 'adal' (noble) and 'heid' (kind or type).
Less common today
Aleyssa isn't in the latest US Top 1000. It last peaked at #6,242 in 2018.
US births per 5-year period, 1990βpresent (SSA data).