Diarmuid vs Kian
Diarmuid and Kiancompared 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 2009, Diarmuid was ranked #4527 and Kian #71 among boys in England and Wales.
Republic of Ireland · Boys
In 2025, Diarmuid was ranked #272 and Kian #170 among boys in Republic of Ireland.
Northern Ireland · Boys
In 2024, Diarmuid was ranked #404 and Kian #339 among boys in Northern Ireland.
Diarmuid and Kian over time
Diarmuid and Kian appear together in 3 published lists, across 72 years of shared records. Kian held the stronger position in more years in 2 of them, Diarmuid in 1.
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.
Diarmuid reached its own highest recorded position earlier in 2 of those lists, Kian in 1. 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
Diarmuid and Kian changed places 11 times in Republic of Ireland · Boys between 1981 and 2025, ending at #272 and #170.
- Longest-running competitions
Diarmuid and Kian were both ranked in Republic of Ireland · Boys for 41 years, from 1981 to 2025, ending at #272 and #170.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Diarmuid #1411 in 2002, Kian #57 in 2003.
List by list
Republic of Ireland · Boys41 shared years, 1981–2025
Diarmuid held the stronger position in 22 of those years, Kian in 19.
Highest recorded here: Diarmuid #77 in 2002, Kian #63 in 2001.
The order changed in 2022: Kian moved ahead. In 2021 they stood at #164 and #225; by 2022 that had become #262 and #214.
Most recent shared year, 2025: Diarmuid #272, Kian #170.
Northern Ireland · Boys21 shared years, 2000–2024
Diarmuid held the stronger position in 2 of those years, Kian in 18.
Highest recorded here: Diarmuid #143 in 2003, Kian #78 in 2014.
The order changed in 2022: Kian moved ahead. In 2021 they stood at #193 and #213; by 2022 that had become #311 and #234.
Most recent shared year, 2024: Diarmuid #404, Kian #339.
England and Wales · Boys10 shared years, 1996–2009
Diarmuid held the stronger position in 0 of those years, Kian in 10.
Highest recorded here: Diarmuid #1411 in 2002, Kian #57 in 2003.
The order between them never changed and held in this list.
Most recent shared year, 2009: Diarmuid #4527, Kian #71.
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
| Field | Diarmuid | Kian |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | male |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | Not yet recorded |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, IE | GB-ENW, GB-NIR, GB-SCT, IE, NO |
| Most recent popularity observation | Republic of Ireland · Boys #272 (2025) | Norway · Boys #162 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 76/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Diarmuid has 2 syllables, compared with 1 for Kian.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Diarmuid
Popularity journey
First recorded1964
First recorded at #109 among boys in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1964–2025
Highest recorded position: #77 among boys in Republic of Ireland, in 2002 (recorded 1964–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #272 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Kian
Popularity journey
First recorded1981
First recorded at #322 among boys in Republic of Ireland in 1981 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Highest recorded1996–2025
Highest recorded position: #54 among boys in England and Wales, in 2014 (recorded 1996–2025).
England and Wales · Boys
Most recent2025
Most recently recorded at #192 among boys in England and Wales, in 2025.
England and Wales · Boys