God will increase; a member of the Gauts
Josalyn is a modern American spelling variation of Jocelyn. It traces back to the Germanic name Gautselin, referring to the Geats (a North Germanic tribe), but was later influenced by the Hebrew name Joseph, meaning 'God will add' or 'increase'.
Less common today
Josalyn isn't in the latest US Top 1000. It last peaked at #1,870 in 2009.
US births per 5-year period, 1990βpresent (SSA data).