God will add or Jehovah increases
Josian is a rare masculine variant of Josiah or Joseph, both rooted in the Hebrew name Yosef. It carries the traditional meaning of divine increase or addition, blending the sounds of classic biblical names with a more modern, unique suffix.
Less common today
Josian isn't in the latest US Top 1000. It last peaked at #4,636 in 2014.
US births per 5-year period, 1990βpresent (SSA data).