Billy
Meaning: Bailiff; law enforcement officer; outer wall of a castle
Origin: Old French baillif — an occupational and architectural surname, from bailli (administrator, steward)
Gender: Boy
Rank in Australia: #258
Total births: 620
History: Billy peaked in the 1990s in Australia. The billy is an essential piece of Australian bush equipment — boiling water for tea in the outback. 'Waltzing Matilda' features a billy. Billy means the Australian bush.
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) | #44 |
| Babies named Billy in 2025 | 152 |
| Total recorded in Australia | 620 |
| Peak year | 2025 (152 babies) |
| Highest rank ever | #44 |
| Years in records | 2021–2025 (5 years of data) |
Frequently asked about Billy
What does the name Billy mean?
Billy means “Bailiff; law enforcement officer; outer wall of a castle” from Old French baillif — an occupational and architectural surname, from bailli (administrator, steward) roots.
What is the origin of the name Billy?
Billy has Old French baillif — an occupational and architectural surname, from bailli (administrator, steward) origin. The traditional meaning is “Bailiff; law enforcement officer; outer wall of a castle”.
How popular is Billy in Australia?
Billy ranked #44 in Australia in 2025 — given to 152 babies that year.
When was Billy most popular?
Billy peaked in 2025 with 152 babies registered that year in Australia.
Is Billy a boy or girl name?
Billy is predominantly a boys' name in Australia — over 90% of Billys in registered births are male.
How long has Billy been recorded in Australia?
Billy appears in birth records in Australia across 5 years — from 2021 through 2025.