Zeynep is the Turkish form of the Arabic Zaynab — the name of the Prophet Muhammad's eldest daughter and granddaughter. The name comes from a fragrant flowering plant.
Zeynep is among the most popular girls' names in Turkey.
Zeynep 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 Zeynep reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.