Modern invented name, possibly meaning from Hadria
Kadrian is a modern American invention, likely created by blending the popular 'K' prefix with the established name Adrian. As a derivative of Adrian, it shares the etymological roots of the Latin 'Hadrianus', referring to someone from the town of Adria in Northern Italy.
Less common today
Kadrian isn't in the latest US Top 1000. It last peaked at #3,571 in 2015.
US births per 5-year period, 1990βpresent (SSA data).