From Adria; dark
Dadrian is a modern American elaboration of Adrian. It likely combines the popular 'D-' prefix with the Latin name Adrianus, referring to someone from the town of Adria in Northern Italy, which also gave its name to the Adriatic Sea.
Less common today
Dadrian isn't in the latest US Top 1000. It last peaked at #3,124 in 2000.
Professional football player
US births per 5-year period, 1990βpresent (SSA data).