Combination of Jasmine and Lynn
A modern American invention, Jasslyn likely blends the floral name Jasmine with the popular suffix Lynn. Jasmine refers to the fragrant flower, while Lynn is derived from a Welsh word for lake.
Less common today
Jasslyn isn't in the latest US Top 1000. It last peaked at #7,973 in 2019.
US births per 5-year period, 1990βpresent (SSA data).