girl's name

Millie-Jo

  • Gender Girl
  • Letters 9
  • Births on record 113

Millie-Jo is a girl's name. In 2024 it was given to 3 babies in England and Wales. It was given to fewer than five babies in the most recent year of published US data.

  • Peaked in England and Wales in 2005, when 12 babies were given the name.
  • It has been falling over the past decade in England and Wales.
  • First appears in birth records in 2002.

Millie-Jo over time

Births per decade in England and Wales, 2000s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2024, not a full ten years.

50
'00 '10 '20
Show the numbers
Births named Millie-Jo by decade in England and Wales
Decade Births
2000s 50
2010s 49
2020s (to 2024) 6

How popular is Millie-Jo?

In 2024, Millie-Jo was given to 3 babies in England and Wales. It was given to fewer than five babies in the most recent year of published US data.

Where Millie-Jo is used

England & Wales #6,379 3 in 2024
United States as Milliejo #11,904 8 in 2025

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

Figures for England and Wales withhold any name given to fewer than three babies in a year, so a gap means the name fell below that floor rather than went unused. Data & sources.

How Millie-Jo is spelled

Birth registers count each spelling separately, so every one has its own ranking.

Spelling What it is Births on record
Milliejo Milliejo is Millie-Jo written as one word, used in the United States, where it ranks #11,904. 8

Names that peaked alongside Millie-Jo

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents who like Millie-Jo also like

Names whose popularity has risen and fallen in step with Millie-Jo over the last century — the same taste, a different name.

Sibling names for Millie-Jo

Names from the same era that won't rhyme or share an initial with Millie-Jo — the two things that make a sibling set grate.

Common questions about Millie-Jo

How popular is the name Millie-Jo?

In 2024, Millie-Jo was given to 3 babies in England and Wales. It was given to fewer than five babies in the most recent year of published US data.

Is Millie-Jo a girl's or a boy's name?

Millie-Jo is given almost entirely to girls in birth records.

When was Millie-Jo most popular?

Millie-Jo peaked in 2005, when 12 babies were given the name. It has been falling over the past decade.

Is Millie-Jo a good name?

That is not something records can settle, but they can tell you what you would be choosing. Millie-Jo currently ranks #11,904 in England and Wales. It has been falling over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.