Sebastian
Meaning: From Sebastia; venerable; revered
Origin: Latin Sebastianus — from the Greek city of Sebasteia (modern Sivas, Turkey), from sebastos (venerable, august)
Gender: Boy
Rank in Australia: #117
Total births: 5,069
History: Sebastian surged in the 2010s as a grand, classical name in Australia. The name's four syllables make it unusually long for Australian naming taste — Australians usually abbreviate everything to one syllable. Sebastian is defiantly formal.
Explore more at Australian Baby Names on BabyNa.me
Look at the data
Every number here comes directly from Australia’s birth records. No estimates, no averages — just the counts.
| Current rank (2025) | #31 |
| Babies named Sebastian in 2025 | 179 |
| Total recorded in Australia | 5,069 |
| Peak year | 2014 (248 babies) |
| Highest rank ever | #20 |
| Years in records | 2000–2025 (26 years of data) |
| Change over last 5 years | ↑ 5 spots |
Frequently asked about Sebastian
What does the name Sebastian mean?
Sebastian means “From Sebastia; venerable; revered” from Latin Sebastianus — from the Greek city of Sebasteia (modern Sivas, Turkey), from sebastos (venerable, august) roots.
What is the origin of the name Sebastian?
Sebastian has Latin Sebastianus — from the Greek city of Sebasteia (modern Sivas, Turkey), from sebastos (venerable, august) origin. The traditional meaning is “From Sebastia; venerable; revered”.
How popular is Sebastian in Australia?
Sebastian ranked #31 in Australia in 2025 — given to 179 babies that year.
When was Sebastian most popular?
Sebastian peaked in 2014 with 248 babies registered that year in Australia.
Is Sebastian a boy or girl name?
Sebastian is predominantly a boys' name in Australia — over 90% of Sebastians in registered births are male.
How long has Sebastian been recorded in Australia?
Sebastian appears in birth records in Australia across 26 years — from 2000 through 2025.