Cozbi (כָּזְבִּי) means "deception" or "lie" in Hebrew. In Numbers 25:15, Cozbi was the Midianite princess, daughter of Zur — killed alongside her Israelite lover Zimri by Phineas, in one of the most dramatic episodes of the wilderness journey.
Rare but iconic in biblical scholarship.
Cozbi 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 Cozbi reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.