Noble
Adilynne is a modern American elaboration of Adeline, which itself is a diminutive of Adele. It ultimately derives from the Germanic root 'adal', meaning noble. The '-lynne' suffix is a contemporary stylistic addition common in English-speaking countries.
Less common today
Adilynne isn't in the latest US Top 1000. It last peaked at #6,862 in 2016.
US births per 5-year period, 1990βpresent (SSA data).