Namewise

Calum vs Jack

Calum and Jackcompared 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.

  • Republic of Ireland · Boys

    In 2025, Calum was ranked #432 and Jack #2 among boys in Republic of Ireland.

  • Northern Ireland · Boys

    In 2024, Calum was ranked #339 and Jack #4 among boys in Northern Ireland.

  • Scotland · Boys

    In 2024, Calum was ranked #176 and Jack #7 among boys in Scotland.

  • England and Wales · Boys

    In 2025, Calum was ranked #3256 and Jack #24 among boys in England and Wales.

Calum and Jack over time

Calum and Jack appear together in 3 published lists, across 91 years of shared records. Jack held the stronger position in more years in 3 of them, Calum in 0.

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

Jack reached its own highest recorded position earlier in 2 of those lists, and Calum 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.

  • Longest-running competitions

    Calum and Jack were both ranked in England and Wales · Boys for 30 years, from 1996 to 2025, ending at #3256 and #24.

  • Peaked in the same years

    Both reached their highest recorded position in England and Wales · Boys within 2 years — Calum #91 in 1996, Jack #1 in 1996.

List by list

  • Republic of Ireland · Boys34 shared years, 1992–2025

    Calum held the stronger position in 0 of those years, Jack in 34.

    Highest recorded here: Calum #44 in 2006, Jack #1 in 2000.

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

    Most recent shared year, 2025: Calum #432, Jack #2.

  • England and Wales · Boys30 shared years, 1996–2025

    Calum held the stronger position in 0 of those years, Jack in 30.

    Highest recorded here: Calum #91 in 1996, Jack #1 in 1996.

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

    Most recent shared year, 2025: Calum #3256, Jack #24.

  • Northern Ireland · Boys27 shared years, 1997–2024

    Calum held the stronger position in 0 of those years, Jack in 27.

    Highest recorded here: Calum #21 in 2006, Jack #1 in 2001.

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

    Most recent shared year, 2024: Calum #339, Jack #4.

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 Calum

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

Other comparisons involving Jack

Pairs where Jack 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 — peaked in the same years.

All peaked in the same years→

Other pairs from England and Wales lists

Pairs measured inside England and Wales's own published lists, where this pair's strongest relationship is also recorded. Positions in these lists are not comparable with another registrar's.

England and Wales overview→

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 Calum, Jack
FieldCalumJack
Record typeOfficial statistical record (evidence-only)Editorially researched profile
Gender usagemalemale
MeaningNot yet recordedGod is gracious (via John), though now used as an independent name.
OriginNot yet recordedEnglish, historically a diminutive of John
PronunciationNot yet recorded/ˈdʒæk/
Syllables21
Common variants / nicknamesNot yet recordedJankin
Recorded regional usageGB-ENW, GB-NIR, GB-SCT, IEAU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ
Most recent popularity observationRepublic of Ireland · Boys #432 (2025)Republic of Ireland · Boys #2 (2025)
Pronunciation clarity (demonstration score)Not yet recorded90/100
Spelling simplicity (demonstration score)94/10095/100
International familiarity (demonstration score)100/100100/100
Data Confidencemediumhigh

What the data shows

  • Jack has a recorded origin (English, historically a diminutive of John); Calum does not have one recorded yet.
  • Calum has 2 syllables, compared with 1 for Jack.
  • A meaning is recorded for Jack; Calum doesn't have one written yet.
  • Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
  • The available evidence gives Calum a "medium" Data Confidence level and Jack a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.

How each name got here

Calum

Popularity journey

  1. First recorded1992

    First recorded at #298 among boys in Republic of Ireland in 1992 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Republic of Ireland · Boys

  2. Highest recorded1997–2024

    Highest recorded position: #21 among boys in Northern Ireland, in 2006 (recorded 1997–2024).

    Northern Ireland · Boys

  3. Most recent2025

    Most recently recorded at #3256 among boys in England and Wales, in 2025.

    England and Wales · Boys

Jack

Popularity journey

  1. First recorded1945

    First recorded at #171 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Norway · Boys

  2. Highest recorded1996–2025

    Highest recorded position: #1 among boys in England and Wales, in 1996 (recorded 1996–2025).

    England and Wales · Boys

  3. Most recent2025

    Most recently recorded at #24 among boys in England and Wales, in 2025.

    England and Wales · Boys