Pledged to God
A modern variation of Elyse, which is a French diminutive of Elizabeth. It ultimately derives from the Hebrew name Elisheva, signifying a solemn promise or oath to a deity.
Less common today
Elysse isn't in the latest US Top 1000. It last peaked at #3,940 in 1990.
US births per 5-year period, 1990βpresent (SSA data).