NameCensus.

UK name, mostly girls

Billy-Jo

For 2026, the newest official UK baby-name figures on this page are from 2000. That release is the current official benchmark rather than a forecast.

Also recorded as a boys' name in the UK, with 6 boys.

Billy-Jo is mostly registered for girls in the UK records. People looking for Billy-Jo popularity in 2026 should use the latest official release, which is 2000 in this profile. In that release it ranked #3912, with 3 babies registered with the name. Its strongest year in the published records was 1997, with 5 births.

This profile covers 8 England and Wales registrations across 2 recorded years from 1997 to 2000. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.

The latest count is about 60% of the recorded peak, which gives a quick read on how the name has moved since its high point.

We estimate that about 8 living people in the UK are called Billy-Jo. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2001 or 2026.

Key insights

  • Billy-Jo ranked #3912 for girls in England and Wales in 2000, with 3 registrations.
  • The name peaked in 1997, when 5 girls were registered as Billy-Jo.
  • Billy-Jo is also recorded for boys, but the girls side is the larger UK variant in these records.
  • About 8 living people in the UK are estimated to have Billy-Jo as a first name, after adjusting past birth registrations with ONS life tables.
  • Across the England and Wales records shown here, 57.1% of Billy-Jo registrations are for girls.

Latest rank (E&W)

#3912

2000

Births in 2000

3

Latest year

Peak year

1997

5 births

Estimated living

8

2026

Gender

Boy and girl registrations for Billy-Jo

In England and Wales birth records, Billy-Jo has been registered for both boys and girls. Across the years shown here, 42.9% of registrations are for boys and 57.1% are for girls.

These figures use the sex categories in the published baby-name files. They are useful for spotting how the name is used at registration, but they are not a live measure of gender identity or everyone living with the name today.

43% boys
57% girls
Boys6 (42.9%)Girls8 (57.1%)

Billy-Jo registered for boys

  • Ranked #2,859 in 1997
  • 3 boys registered in 1997
  • Peak: 1996 (3 births)

Billy-Jo registered for girls

  • Ranked #3,912 in 2000
  • 3 girls registered in 2000
  • Peak: 1997 (5 births)

Popularity

Billy-Jo over time

The chart below compares boys and girls registered as Billy-Jo in England and Wales, from 1996 to 2000. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.

For Billy-Jo, the clearest high point is 1997. The latest England and Wales figure is 3 births in 2000, compared with 5 at the peak.

Babies born per year

BoysGirls
02468199619982000

Decades

Billy-Jo by decade

Decade totals smooth out the yearly jumps and make it easier to see whether Billy-Jo was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.

Decade Average rank Total births Years covered
2000s #3912 3 1
1990s #2738 5 1

Related

Names similar to Billy-Jo

FAQ

Billy-Jo: questions and answers

How popular is the name Billy-Jo in the UK right now?

In 2000, Billy-Jo was ranked #3912 for girls in England and Wales, with 3 births registered.

When was Billy-Jo most popular?

The peak year on record was 1997, with 5 babies registered as Billy-Jo in England and Wales.

How many people are called Billy-Jo in the UK?

A total of 8 babies have been registered as Billy-Jo across the 2 years of ONS England & Wales records shown here.

Which records is this page based on?

The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.