Danièle is the French spelling of the female name. It should have an accent, but in the US those get dropped regularly.
Both are pretty rare now, but Danielle is the more common spelling. It also matches the way the -elle is used as a suffix in many diminutives (e.g., cervelle, ruelle, passerelle)
Both are pretty rare now, but Danielle is the more common spelling. It also matches the way the -elle is used as a suffix in many diminutives (e.g., cervelle, ruelle, passerelle)