Wise one or sage
Sagan is primarily known as a surname of Slavic and Germanic origins, famously associated with the astronomer Carl Sagan. As a given name, it is often chosen to honor intellectual curiosity and scientific discovery. It may also derive from the Polish town of Żagań or the French word 'sage', meaning wise.
Less common today
Sagan isn't in the latest US Top 1000. It last peaked at #2,207 in 2018.
US births per 5-year period, 1990–present (SSA data).
Renowned American astronomer and science communicator
French playwright and novelist known for 'Bonjour Tristesse'
American actress known for the series 'St. Elsewhere'