Billijo
Girls' nameMeaning not yet documented
Billijo has been given to 183 babies in the U.S. since 1965. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1975, with 16 recorded.
Babies named Billijo, 2004
1 in 764,000
Billijo over time, 1880–2025
Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Billijo?
Billijo had fewer than 5 recorded uses in 2025, so these figures use 2004, the last year it was published.
- Among all babies, 2004
- 1 in 764,000
- 5 of 3,820,181 births
- Among girls only
- 1 in 367,000
- <0.01% of girls
- Rank, 2004
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 529,591 kids
- Even odds of a second one
Where Billijo sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2004 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 529,591 children born in 2004 and it's an even bet that one of them is another Billijo. In a class of 30 the chance is Under 1%.
When Billijos were born
Half of everyone ever recorded as Billijo was born before 1976 — so the typical Billijo is around 49 today.
- Biggest decade
- 1970s
- 57.9% of all use
- Born in the last 25 years
- 30.1%
- Spread across generations
- Recorded since 1950
- 183
- People you could plausibly meet
1970s — 57.9% of all recorded uses (106).
Is Billijo rising or falling?
Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.
- Rank vs 1 year ago
- —
- Not ranked then
- Rank vs 5 years ago
- New entry
- Not ranked then
- Rank vs 10 years ago
- —
- Not ranked then
- Births vs 10 years ago
- —
- Not published both years
- Share of its own peak
- 0%
- Peak was 1975 (16)
- Years since peak
- 50
- Years
- Year-to-year steadiness
- Volatile
- 44.0% average annual change
Spellings of Billijo
Billijo is not the most common spelling — Billie is, with 96.8% against Billijo's 0.17%.
Billijo around the world
Where Billijo ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.
- England & Wales1998–2000#3,912in 2000
- South Australia1968–1989#692in 1989
Popularity data from Office for National Statistics and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.
Billijo by the numbers
The raw record for each sex the name is used for.
Names similar to Billijo
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Billijo
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.