Definitions for jessica
; formerly rare, but since the 1970s popular in all English-speaking countries .
Origin: First used by Shakespeare in Merchant of Venice, probably from יִסְכָּה (Yisəkah, "Iscah" in Genesis 11:29, "Jescha" in the Wycliffe version), a proper name meaning "one who looks forth" ( but apparently not used as an ordinary word with that meaning).
The Nuttall Encyclopedia
Shylock's daughter, in the "Merchant of Venice".