God will add or Jehovah has healed
Josai is a rare name likely functioning as a modern variant of Josiah or a blend of Joseph and Isaiah. It carries the Hebrew roots of 'Yahweh supports' or 'God increases,' offering a spiritual and melodic alternative to more common biblical names.
Less common today
Josai isn't in the latest US Top 1000. It last peaked at #4,649 in 2025.
US births per 5-year period, 1990–present (SSA data).
