Noble
Addelynn is a modern American elaboration of Adeline, which itself is a diminutive of Adele. It ultimately derives from the Germanic element 'adal', meaning noble. This specific spelling variation adds the popular '-lynn' suffix, giving it a contemporary feel.
Less common today
Addelynn isn't in the latest US Top 1000. It last peaked at #2,286 in 2016.
US births per 5-year period, 1990βpresent (SSA data).