Namewise

Isaiah vs Sidney

Isaiah and Sidneycompared 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 · Boys

    In 2024, Isaiah was ranked #170 and Sidney #220 among boys in England and Wales.

  • Northern Ireland · Boys

    In 2024, Isaiah was ranked #187 and Sidney #404 among boys in Northern Ireland.

  • Scotland · Boys

    In 2024, Isaiah was ranked #352 and Sidney #727 among boys in Scotland.

  • Republic of Ireland · Boys

    In 2022, Isaiah was ranked #657 and Sidney #779 among boys in Republic of Ireland.

Isaiah and Sidney over time

Isaiah and Sidney appear together in 1 published list, across 29 years of shared records. Sidney held the stronger position in more years in 1 of them, Isaiah in 0.

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

Sidney reached its own highest recorded position earlier in 1 of those lists, and Isaiah 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 2022, Isaiah moved ahead of Sidney in England and Wales · Boys — #172 and #168 the year before became #162 and #195.

  • Repeatedly exchanged positions

    Isaiah and Sidney changed places 7 times in England and Wales · Boys between 1996 and 2024, ending at #170 and #220.

  • Peaked in the same years

    Both reached their highest recorded position in England and Wales · Boys within 2 years — Isaiah #162 in 2022, Sidney #168 in 2021.

List by list

  • England and Wales · Boys29 shared years, 19962024

    Isaiah held the stronger position in 10 of those years, Sidney in 19.

    Highest recorded here: Isaiah #162 in 2022, Sidney #168 in 2021.

    The order changed in 2022: Isaiah moved ahead. In 2021 they stood at #172 and #168; by 2022 that had become #162 and #195.

    Most recent shared year, 2024: Isaiah #170, Sidney #220.

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.

Side by side

Side-by-side comparison of Isaiah, Sidney
FieldIsaiahSidney
Record typeOfficial statistical record (evidence-only)Official statistical record (evidence-only)
Gender usagemalemale
MeaningNot yet recordedNot yet recorded
OriginNot yet recordedNot yet recorded
PronunciationNot yet recordedNot yet recorded
Syllables22
Common variants / nicknamesNot yet recordedNot yet recorded
Recorded regional usageAU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZGB-ENW, GB-NIR, GB-SCT, IE
Most recent popularity observationNew South Wales, Australia · Boys #72 (2025)England and Wales · Boys #220 (2024)
Pronunciation clarity (demonstration score)Not yet recordedNot yet recorded
Spelling simplicity (demonstration score)88/10088/100
International familiarity (demonstration score)100/100100/100
Data Confidencemediummedium

What the data shows

  • Isaiah and Sidney both have 2 syllables.
  • Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.

How each name got here

Isaiah

Popularity journey

  1. First recorded1996

    First recorded at #704 among boys in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    England and Wales · Boys

  2. Highest recorded2017–2025

    Highest recorded position: #72 among boys in New South Wales, Australia, in 2025 (recorded 2017–2025).

    New South Wales, Australia · Boys

  3. Most recent2025

    Most recently recorded at #72 among boys in New South Wales, Australia, in 2025.

    New South Wales, Australia · Boys

Sidney

Popularity journey

  1. First recorded1973

    First recorded at #290 among boys in Republic of Ireland in 1973 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Republic of Ireland · Boys

  2. Highest recorded1996–2024

    Highest recorded position: #168 among boys in England and Wales, in 2021 (recorded 1996–2024).

    England and Wales · Boys

  3. Most recent2024

    Most recently recorded at #1128 among girls in England and Wales, in 2024.

    England and Wales · Girls