Meaning and name origin
Jessalyn \j(e)-ssal-yn, jess(a)-lyn\ as a girl's name is of Hebrew origin, and the meaning of Jessalyn is "He sees". Jessalyn is a variant 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. Also a variant 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 is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Jessalyn and its variant forms. Popular variation forms ranked in the Top 1000/100 are Jessica (#179) and Jessie (#587). (Source: 2014 Birth Name Statistics).
Jessalyn is also pronounced similarly to Josalyn, Jossalin, Jossalyn and Josselyn. Other suggested similar baby names are Jeslyn, Jessamyn, Jesslyn, Jesslynn and Josslyn. Like Jessalyn, these names are not commonly used.