Little fire; noble
Adain is a rare name with dual roots. It is often considered a variant of the Irish name Aidan, meaning 'little fire', or linked to the Germanic element 'adal', meaning 'noble'. In some contexts, it is also associated with the Welsh word for 'wing'.
Less common today
Adain isn't in the latest US Top 1000. It last peaked at #3,276 in 2008.
US births per 5-year period, 1990βpresent (SSA data).