God has adorned or witness of the Lord
Adaijah is a modern American elaboration of the Hebrew name Adaiah. It combines the elements 'adah', meaning to adorn or ornament, with 'Yah', the shortened form of the name of God. In the Old Testament, several minor figures bear the root name Adaiah.
Less common today
Adaijah isn't in the latest US Top 1000. It last peaked at #10,456 in 1995.
US births per 5-year period, 1990βpresent (SSA data).