anon: Dictionary.com says we are both correct 🙂
“Jes?si?ca [jes-i-kuh]
noun
a female given name, form of Jesse.”
“Word Origin & History
Jessica
fem. proper name, from L.L. Jesca, from Gk. Ieskha, from Heb. Yiskah, name of a daughter of Haran [Gen. xi.29].”