Meaning and Name Origin
Jessalyn \j(e)-ssal-yn, jess(a)-lyn\ as a girls' name is of Hebrew derivation, and Jessalyn means "He sees". Jessalyn is a derivative of Jessica (Hebrew): coined by Shakespeare (from the Old Testament Iscah or Jesca) in "The Merchant of Venice" for Shylock's daughter, a young Jewish woman who elopes with Lorenzo and converts to Christianity. Jessalyn is also a derivative of Jessie (Hebrew): pet form of Jessica, also recorded in Scotland from an early date as a pet form of Jean and diminutive of Janet.
Jessalyn has 49 more alternative forms via Jessica, Jessie: Jassica, Jecca, Jesaca, Jesca, Jesenia, Jesica▼, Jesicca, Jesika, Jesirae, Jeslyn, Jess, Jessa, Jessaca, Jessah, Jessaka, Jessamae, Jessamyn, Jessana, Jessandra, Jessca, Jesscia, Jesse▼, Jesseca, Jessey, Jessi, Jessia, Jessicia, Jessicka, Jessika▼, Jessina, Jessiqua, Jessiya, Jesslyn, Jesslynn, Jessy, Jessyca, Jessye, Jessyka, Jesyka, Jezeca, Jezica, Jezika, Jeziree, Jezyca, Jyssika, Lajessica, Tessica, Tjessica and Yessica.
Jessalyn is an unusual first name for females. Jessalyn is an equivalently uncommon last name too for both adults and children. (2000 U.S. Census)
Below is a graphed comparison of the popularity of the girl name Jessalyn and corresponding names. Popular variation forms of Jessalyn (#unlisted) listed in the Top 1000 are Jesenia, Jesica, Jessa (#849 the previous year), Jesse, Jessi, Jessica (#179), Jessie (#587) and Jessika. Adoption of these girl names was at its most widespread in 1990 and has become significantly less since, with the versions Jesica, Jesse, Jessie and Jessika becoming less stylish. Jessica (#179) is the most contemporarily stylish name for newborns in this list, with this name having a revival in usage. (2014 Birth Statistics)