Its source is Elisheva, a Hebrew name meaning "God's promise."
The name Elyssa ranked 982nd in popularity for females of all ages in a sample of 2000-2003 Social Security Administration statistics.
Other suggested meanings still relate to the fulfillment of a promise. They include ''God's satisfaction'' and ''God's perfection.''
Until the 16th-century reign of England's Queen Elizabeth I, this name was most commonly spelled with an ''s'' in the middle. Such was the popularity of Good Queen Bess that her spelling has reigned supreme ever since.
Speaking of Bess, this name is the Mother of All Nicknames, Spellings and Alternate Forms. We've counted close to 70 so far, and we are still looking!