My God is an oath
Ellyse is a modern phonetic variant of Elise, which is a French diminutive of Elizabeth. It ultimately derives from the Hebrew name Elisheva, referring to a divine promise or oath.
Less common today
Ellyse isn't in the latest US Top 1000. It last peaked at #4,181 in 2003.
Australian international cricketer and soccer player
US births per 5-year period, 1990βpresent (SSA data).