Daniella is the Italian and Spanish form of Daniel — from the Hebrew Dani'el ("God is my judge"), the prophet of the Book of Daniel; the French Danielle is the closely-related variant. A top-500 US baby name since 1995. Daniella Rush — Czech porn actress. Daniella Liben — American digital influencer. The biblical Daniel was the prophet who survived the lions' den (Daniel 6) and interpreted Nebuchadnezzar's dreams; one of the most-studied books in Jewish and Christian scripture. Daniella Jayde — Australian-American singer.
Daniella does not currently appear in the US Social Security Administration's top 1,000 girls' names, so we don't publish a US rank or birth count for it. That says nothing about the name's standing elsewhere in the world — only that it sits outside the ranked US data we rely on.
In Pythagorean numerology the letters of Daniella reduce to 4, The Builder. This is a traditional interpretive system, not a factual claim about the name.