Modern American creation, likely a blend of La- and Davion.
Ladavion is a contemporary American name formed by combining the popular prefix 'La-' with the name Davion. Davion itself is often considered a modern variant of David, meaning 'beloved', or a blend of David and Damian.
Less common today
Ladavion isn't in the latest US Top 1000. It last peaked at #6,220 in 2003.
US births per 5-year period, 1990βpresent (SSA data).