Son of Adam; noble
Adisyn is a modern creative spelling of Addison. It originates from an English surname meaning 'son of Adam,' but in contemporary usage, it is often associated with the Germanic root 'adal,' meaning noble.
Less common today
Adisyn isn't in the latest US Top 1000. It last peaked at #1,864 in 2008.
US births per 5-year period, 1990βpresent (SSA data).