Precious stone; lake
A modern American invention likely combining the gemstone name Jade with the popular suffix -lyn. It blends the green mineral's association with luck and healing with the Welsh-derived 'lyn' meaning lake.
Less common today
Jaydelyn isn't in the latest US Top 1000. It last peaked at #11,903 in 2013.
US births per 5-year period, 1990βpresent (SSA data).