Modern combination of the letter J and the name Lynn.
Jlynn is a contemporary American invention, likely created as a phonetic blend or a creative spelling of Jaylynn. It combines the initial 'J' with the Welsh-derived name Lynn, which refers to a lake or pool.
Less common today
Jlynn isn't in the latest US Top 1000. It last peaked at #3,242 in 2010.
US births per 5-year period, 1990βpresent (SSA data).