Namewise

Chelsea vs Gemma

Chelsea and Gemmacompared 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.

  • New South Wales, Australia · Girls

    In 2010, Chelsea was ranked #29 and Gemma #80 among girls in New South Wales, Australia.

  • New Zealand · Girls

    In 2008, Chelsea was ranked #98 and Gemma #60 among girls in New Zealand.

  • Northern Ireland · Girls

    In 2013, Chelsea was ranked #370 and Gemma #327 among girls in Northern Ireland.

  • Republic of Ireland · Girls

    In 2025, Chelsea was ranked #608 and Gemma #718 among girls in Republic of Ireland.

  • England and Wales · Girls

    In 2025, Chelsea was ranked #983 and Gemma #4867 among girls in England and Wales.

Chelsea and Gemma over time

Chelsea and Gemma appear together in 5 published lists, across 115 years of shared records. Chelsea held the stronger position in more years in 3 of them, Gemma in 2.

The order between them changed and held in 2 of those lists — a change in that published list, never a claim that one name displaced the other.

Gemma reached its own highest recorded position earlier in 4 of those lists, and Chelsea in none. 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.

  • One moved ahead of the other

    In 1994, Chelsea moved ahead of Gemma in New South Wales, Australia · Girls — #85 and #79 the year before became #58 and #61.

  • Repeatedly exchanged positions

    Chelsea and Gemma changed places 4 times in New Zealand · Girls between 1987 and 2008, ending at #98 and #60.

  • Longest-running competitions

    Chelsea and Gemma were both ranked in England and Wales · Girls for 30 years, from 1996 to 2025, ending at #983 and #4867.

  • Peaked in the same years

    Both reached their highest recorded position in England and Wales · Girls within 2 years — Chelsea #34 in 1996, Gemma #50 in 1996.

List by list

  • Republic of Ireland · Girls35 shared years, 1989–2025

    Chelsea held the stronger position in 7 of those years, Gemma in 27.

    Highest recorded here: Chelsea #54 in 1999, Gemma #36 in 1992.

    The order changed in 2025: Chelsea moved ahead. In 2024 they stood at #856 and #445; by 2025 that had become #608 and #718.

    Most recent shared year, 2025: Chelsea #608, Gemma #718.

  • England and Wales · Girls30 shared years, 1996–2025

    Chelsea held the stronger position in 30 of those years, Gemma in 0.

    Highest recorded here: Chelsea #34 in 1996, Gemma #50 in 1996.

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

    Most recent shared year, 2025: Chelsea #983, Gemma #4867.

  • New Zealand · Girls17 shared years, 1987–2008

    Chelsea held the stronger position in 12 of those years, Gemma in 5.

    Highest recorded here: Chelsea #19 in 1994, Gemma #29 in 1987.

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

    Most recent shared year, 2008: Chelsea #98, Gemma #60.

  • Northern Ireland · Girls17 shared years, 1997–2013

    Chelsea held the stronger position in 7 of those years, Gemma in 8.

    Highest recorded here: Chelsea #35 in 1998, Gemma #35 in 1997.

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

    Most recent shared year, 2013: Chelsea #370, Gemma #327.

  • New South Wales, Australia · Girls16 shared years, 1993–2010

    Chelsea held the stronger position in 15 of those years, Gemma in 1.

    Highest recorded here: Chelsea #24 in 2007, Gemma #61 in 1994.

    The order changed in 1994: Chelsea moved ahead. In 1993 they stood at #85 and #79; by 1994 that had become #58 and #61.

    Most recent shared year, 2010: Chelsea #29, Gemma #80.

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 Chelsea

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

Other comparisons involving Gemma

Pairs where Gemma 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 — moved together in several countries.

  • Christopher vs Paul

    Christopher and Paul both fell over the same years in 6 registrars — England and Wales · Boys; New South Wales, Australia · Boys; New Zealand · Boys; Northern Ireland · Boys; Norway · Boys; Republic of Ireland · Boys. Each list is measured against its own starting position; the positions are never combined.

    Christopher · Paul · 80 shared years, 1946–2025 · Moved together in several countries

  • Oliver vs Leo

    Oliver and Leo both rose over the same years in 6 registrars — England and Wales · Boys; New South Wales, Australia · Boys; New Zealand · Boys; Northern Ireland · Boys; Norway · Boys; Republic of Ireland · Boys. Each list is measured against its own starting position; the positions are never combined.

    Oliver · Leo · 63 shared years, 1959–2025 · Moved together in several countries

  • Oliver vs Luca

    Oliver and Luca both rose over the same years in 6 registrars — England and Wales · Boys; New South Wales, Australia · Boys; New Zealand · Boys; Northern Ireland · Boys; Norway · Boys; Republic of Ireland · Boys. Each list is measured against its own starting position; the positions are never combined.

    Oliver · Luca · 43 shared years, 1973–2025 · Moved together in several countries

  • Amelia vs Sofia

    Amelia and Sofia both rose over the same years in 5 registrars — England and Wales · Girls; New South Wales, Australia · Girls; Northern Ireland · Girls; Norway · Girls; Republic of Ireland · Girls. Each list is measured against its own starting position; the positions are never combined.

    Amelia · Sofia · 36 shared years, 1972–2025 · Moved together in several countries

All moved together in several countries→

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 Chelsea, Gemma
FieldChelseaGemma
Record typeOfficial statistical record (evidence-only)Official statistical record (evidence-only)
Gender usagefemalefemale
MeaningNot yet recordedNot yet recorded
OriginNot yet recordedNot yet recorded
Pronunciation
Syllables22
Common variants / nicknamesNot yet recordedNot yet recorded
Recorded regional usageAU-NSW, GB-ENW, GB-NIR, IE, NZAU-NSW, GB-ENW, GB-NIR, IE, NZ
Most recent popularity observationRepublic of Ireland · Girls #608 (2025)Republic of Ireland · Girls #718 (2025)
Pronunciation clarity (demonstration score)Not yet recordedNot yet recorded
Spelling simplicity (demonstration score)82/10094/100
International familiarity (demonstration score)100/100100/100
Data Confidencemediummedium

What the data shows

  • Chelsea and Gemma both have 2 syllables.
  • Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, IE, NZ.

How each name got here

Chelsea

Popularity journey

  1. First recorded1987

    First recorded at #65 among girls in New Zealand in 1987 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    New Zealand · Girls

  2. Highest recorded1987–2008

    Highest recorded position: #19 among girls in New Zealand, in 1994 (recorded 1987–2008).

    New Zealand · Girls

  3. Most recent2025

    Most recently recorded at #983 among girls in England and Wales, in 2025.

    England and Wales · Girls

Gemma

Popularity journey

  1. First recorded1964

    First recorded at #149 among girls in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Republic of Ireland · Girls

  2. Highest recorded1982–2008

    Highest recorded position: #17 among girls in New Zealand, in 1984 (recorded 1982–2008).

    New Zealand · Girls

  3. Most recent2025

    Most recently recorded at #4867 among girls in England and Wales, in 2025.

    England and Wales · Girls