Someone left a comment for the name
Jesse. It says that the name
Jesse might come from Yishay or Ishai which "is commonly explained as being the initials of the phrase "Gather together tribes of
Israel" (in Hebrew: "Yachad Shivtey
Israel")".
http://www.behindthename.com/name/jesse/comments (it is the first comment dated 4/2/2005).