Namewise

Millie vs Olivia

Millie and Oliviacompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.

Head to head

Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.

  • England and Wales · Girls

    In 2024, Millie was ranked #27 and Olivia #1 among girls in England and Wales.

  • Scotland · Girls

    In 2024, Millie was ranked #5 and Olivia #1 among girls in Scotland.

  • Northern Ireland · Girls

    In 2024, Millie was ranked #150 and Olivia #2 among girls in Northern Ireland.

  • Norway · Girls

    In 2025, Millie was ranked #149 and Olivia #2 among girls in Norway.

  • New South Wales, Australia · Girls

    In 2025, Millie was ranked #40 and Olivia #3 among girls in New South Wales, Australia.

  • New Zealand · Girls

    In 2023, Millie was ranked #19 and Olivia #4 among girls in New Zealand.

  • Republic of Ireland · Girls

    In 2025, Millie was ranked #36 and Olivia #8 among girls in Republic of Ireland.

Millie and Olivia over time

Millie and Olivia appear together in 5 published lists, across 104 years of shared records. Olivia held the stronger position in more years in 5 of them, Millie in 0.

In none of those lists did their order change and stay changed.

Olivia reached its own highest recorded position earlier in 3 of those lists, Millie in 2. Each position is a place inside its own list, so this compares when they peaked and never how high.

Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.

How this pair is related

The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.

  • Closest over the longest run

    Across 29 shared years in England and Wales · Girls, Millie and Olivia averaged 33.3 places apart, ending at #27 and #1.

  • Peaked in the same years

    Both reached their highest recorded position in Northern Ireland · Girls within 2 years — Millie #76 in 2022, Olivia #2 in 2024.

List by list

  • England and Wales · Girls29 shared years, 1996–2024

    Millie held the stronger position in 0 of those years, Olivia in 29.

    Highest recorded here: Millie #18 in 2022, Olivia #1 in 2008.

    The order between them never changed and held in this list.

    Most recent shared year, 2024: Millie #27, Olivia #1.

  • Republic of Ireland · Girls27 shared years, 1999–2025

    Millie held the stronger position in 0 of those years, Olivia in 27.

    Highest recorded here: Millie #19 in 2022, Olivia #7 in 2024.

    The order between them never changed and held in this list.

    Most recent shared year, 2025: Millie #36, Olivia #8.

  • Northern Ireland · Girls23 shared years, 2002–2024

    Millie held the stronger position in 0 of those years, Olivia in 23.

    Highest recorded here: Millie #76 in 2022, Olivia #2 in 2024.

    The order between them never changed and held in this list.

    Most recent shared year, 2024: Millie #150, Olivia #2.

  • New Zealand · Girls17 shared years, 2007–2023

    Millie held the stronger position in 0 of those years, Olivia in 17.

    Highest recorded here: Millie #17 in 2022, Olivia #1 in 2012.

    The order between them never changed and held in this list.

    Most recent shared year, 2023: Millie #19, Olivia #4.

  • New South Wales, Australia · Girls8 shared years, 2017–2025

    Millie held the stronger position in 0 of those years, Olivia in 8.

    Highest recorded here: Millie #31 in 2023, Olivia #1 in 2021.

    The order between them never changed and held in this list.

    Most recent shared year, 2025: Millie #40, Olivia #3.

Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.

Where to go next

Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.

Other comparisons involving Millie

Pairs where Millie shares a published list with another name, each measured inside one registrar's own list.

Other comparisons involving Olivia

Pairs where Olivia shares a published list with another name, each measured inside one registrar's own list.

Other pairs with the same kind of relationship

Pairs that qualify under the same rule as this one — closest over the longest run.

All closest over the longest run→

Other pairs ranked together in the 2020s

Pairs both ranked in the same published list at some point between 2020 and 2029.

The 2020s across all registrars→

Side by side

Side-by-side comparison of Millie, Olivia
FieldMillieOlivia
Record typeEditorially researched profileEditorially researched profile
Gender usagefemalefemale
MeaningA diminutive of longer names like Mildred and Millicent, connecting to the broader family of names with the 'mil' element (including Camilla and Aemilia).Commonly interpreted as 'olive tree' or 'symbol of peace'.
OriginGermanic/Latin, diminutive formLatin
Pronunciation/ˈmɪl.i//əˈlɪviə/
Syllables23
Common variants / nicknamesNot yet recordedOlivea, Liv, Livvy, Oliwia
Recorded regional usageAU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZAU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ
Most recent popularity observationRepublic of Ireland · Girls #36 (2025)Norway · Girls #2 (2025)
Pronunciation clarity (demonstration score)90/10090/100
Spelling simplicity (demonstration score)88/10088/100
International familiarity (demonstration score)100/100100/100
Data Confidencemediumhigh

What the data shows

  • Millie is recorded with a Germanic/Latin, diminutive form origin, while Olivia is recorded with a Latin origin.
  • Millie has 2 syllables, compared with 3 for Olivia.
  • Millie's recorded meaning differs from Olivia's — see the table above for each.
  • Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ.
  • The available evidence gives Millie a "medium" Data Confidence level and Olivia a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.

How each name got here

Millie

Popularity journey

  1. First recorded1996

    First recorded at #140 among girls in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    England and Wales · Girls

  2. Most recent2025

    Most recently recorded at #40 among girls in New South Wales, Australia, in 2025.

    New South Wales, Australia · Girls

Olivia

Popularity journey

  1. First recorded1964

    First recorded at #488 among girls in Norway in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Norway · Girls

  2. Highest recorded1996–2024

    Highest recorded position: #1 among girls in England and Wales, in 2008 (recorded 1996–2024).

    England and Wales · Girls

  3. Most recent2025

    Most recently recorded at #3 among girls in New South Wales, Australia, in 2025.

    New South Wales, Australia · Girls