Namewise

Blaithin vs Kayley

Blaithin and Kayleycompared 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.

  • Northern Ireland · Girls

    In 2023, Blaithin was ranked #264 and Kayley #391 among girls in Northern Ireland.

  • Republic of Ireland · Girls

    In 2015, Blaithin was ranked #276 and Kayley #660 among girls in Republic of Ireland.

  • England and Wales · Girls

    In 2013, Blaithin was ranked #4739 and Kayley #1864 among girls in England and Wales.

Blaithin and Kayley over time

Blaithin and Kayley appear together in 1 published list, across 20 years of shared records. Blaithin held the stronger position in more years in 1 of them, Kayley in 0.

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

Kayley reached its own highest recorded position earlier in 1 of those lists, and Blaithin 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.

  • Repeatedly exchanged positions

    Blaithin and Kayley changed places 4 times in Republic of Ireland · Girls between 1995 and 2015, ending at #276 and #660.

List by list

  • Republic of Ireland · Girls20 shared years, 19952015

    Blaithin held the stronger position in 18 of those years, Kayley in 1.

    Highest recorded here: Blaithin #225 in 2012, Kayley #320 in 2005.

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

    Most recent shared year, 2015: Blaithin #276, Kayley #660.

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 Blaithin, Kayley
FieldBlaithinKayley
Record typeOfficial statistical record (evidence-only)Official statistical record (evidence-only)
Gender usagefemalefemale
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 usageGB-ENW, GB-NIR, IEGB-ENW, GB-NIR, IE
Most recent popularity observationNorthern Ireland · Girls #169 (2024)Republic of Ireland · Girls #885 (2025)
Pronunciation clarity (demonstration score)Not yet recordedNot yet recorded
Spelling simplicity (demonstration score)76/10088/100
International familiarity (demonstration score)100/100100/100
Data Confidencemediummedium

What the data shows

  • Blaithin and Kayley both have 2 syllables.
  • Both names have recorded usage in GB-ENW, GB-NIR, IE.

How each name got here

Blaithin

Popularity journey

  1. First recorded1964

    First recorded at #327 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 recorded1998–2024

    Highest recorded position: #169 among girls in Northern Ireland, in 2024 (recorded 1998–2024).

    Northern Ireland · Girls

  3. Most recent2024

    Most recently recorded at #169 among girls in Northern Ireland, in 2024.

    Northern Ireland · Girls

Kayley

Popularity journey

  1. First recorded1995

    First recorded at #417 among girls in Republic of Ireland in 1995 — the earliest year that source publishes this name, not necessarily the earliest it was used.

    Republic of Ireland · Girls

  2. Highest recorded1998–2023

    Highest recorded position: #219 among girls in Northern Ireland, in 2006 (recorded 1998–2023).

    Northern Ireland · Girls

  3. Most recent2025

    Most recently recorded at #5927 among girls in England and Wales, in 2025.

    England and Wales · Girls