Sebastián

«Venerable, worthy of respect»

Few words, real weight: Sebastián is of Greek origin, and that meaning is its birthright.

9 is its number and Mars its planet. Brave, compassionate and idealistic. It all adds up to something clear: compassion, idealism and courage.

Numerology reads Sebastián in three keys:

Expression 9 · Mars: Brave, compassionate and idealistic.

Soul 7 · Neptune: its quiet engine: understanding and truth.

Personality 11 · Master 11: the image it projects is radiant and intuitive.

Greek names are elegant and full of history—gods, heroes and classical virtues. Sebastián was born in that tradition, and its meaning («Venerable, worthy of respect») is as alive now as ever. By its number 9, Sebastián is linked to the day Tuesday, the color Garnet, the element Fire and the stone Ruby.

Sebastián is climbing. Between 2020 and 2025, 53,454 boys named Sebastián were registered in the U.S., at rank #13, according to the Social Security Administration.

The trend is clear: up from rank #39 last decade to #13 today — 26 spots higher, and still moving.

It entered the top 200 in the 2000s and hasn't left since.

Source: Social Security Administration (U.S.), official records by decade, as of 2026.

Sebastián brings together two things rarely found in one name: a meaning with weight («Venerable, worthy of respect») and a sound that is easy to love. Write it with your last name, say it out loud — and for the final nudge, its compatibility awaits on Astra.

History. Sebastian comes from the Greek «sebastós», «venerable». Saint Sebastian was a Roman martyr honored since antiquity.

✦ Did you know? Many cities bear his name, such as San Sebastián in Spain and São Sebastião do Rio de Janeiro in Brazil.

The name day is celebrated on January 20, in honor of San Sebastián.

Common affectionate short forms: Seb.

Does Sebastián match another name? Try it in our compatibility calculator.