Modern invented name, possibly a blend of David and John
Daejon is a contemporary American name likely created by combining the popular prefix 'Dae-' with the classic name 'Jon'. While it does not have a singular ancient etymology, it is often associated with the meanings of its components, such as 'beloved' or 'God is gracious'.
Less common today
Daejon isn't in the latest US Top 1000. It last peaked at #3,213 in 2000.
Professional basketball player
US births per 5-year period, 1990βpresent (SSA data).