Urania (Οὐρανία) comes from the Greek ouranos (heaven). She is the muse of astronomy and astrology in Greek mythology — depicted with a globe and compass.
Urania is rare as a given name but rising — particularly in scientific and astronomical families.
Urania 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 Urania reduce to 1, The Leader. This is a traditional interpretive system, not a factual claim about the name.