God will increase; a modern variant of Josephine
Jozalynn is a contemporary American elaboration of the name Josephine, which is the French feminine form of Joseph. It combines the traditional Hebrew roots meaning 'He will add' with the popular 'lynn' suffix, common in modern English naming traditions.
Less common today
Jozalynn isn't in the latest US Top 1000. It last peaked at #11,305 in 2003.
US births per 5-year period, 1990βpresent (SSA data).