Supplanter or cheerful
Jocalyn is a modern American variant of Jocelyn. It likely combines the Germanic roots of Jocelyn, meaning 'a Gaut' (referring to a North Germanic tribe), with the phonetic influence of names like Lynn. Some interpretations also link it to the Latin word 'jocosus', meaning merry or playful.
Less common today
Jocalyn isn't in the latest US Top 1000. It last peaked at #9,968 in 2002.
US births per 5-year period, 1990βpresent (SSA data).