God beholds or He sees
A modern American blend likely combining the Hebrew name Jessica with the popular suffix -lyn. It carries the root meaning of 'beholding' or 'foresight' from its connection to the biblical name Iscah.
Less common today
Jessalyn isn't in the latest US Top 1000. It last peaked at #1,401 in 1999.
Canadian-American actress known for her roles in Glee and Vikings
Canadian actress known for Workin' Moms and Orphan Black
US births per 5-year period, 1990βpresent (SSA data).