Colm vs Kieran
Colm and Kierancompared 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, Colm was ranked #286 and Kieran #348 among boys in Republic of Ireland.
Northern Ireland · Boys
In 2018, Colm was ranked #319 and Kieran #319 among boys in Northern Ireland.
England and Wales · Boys
In 2024, Colm was ranked #5119 and Kieran #664 among boys in England and Wales.
Colm and Kieran over time
Colm and Kieran appear together in 3 published lists, across 109 years of shared records. Kieran held the stronger position in more years in 2 of them, Colm in 1.
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.
Kieran reached its own highest recorded position earlier in 2 of those lists, Colm 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
Colm and Kieran changed places 19 times in Republic of Ireland · Boys between 1964 and 2025, ending at #286 and #348.
- Closest over the longest run
Across 22 shared years in Northern Ireland · Boys, Colm and Kieran averaged 46.1 places apart, ending at #319 and #319.
- Longest-running competitions
Colm and Kieran were both ranked in Republic of Ireland · Boys for 62 years, from 1964 to 2025, ending at #286 and #348.
- Peaked in the same years
Both reached their highest recorded position in England and Wales · Boys within 2 years — Colm #567 in 1997, Kieran #26 in 1996.
List by list
Republic of Ireland · Boys62 shared years, 1964–2025
Colm held the stronger position in 38 of those years, Kieran in 24.
Highest recorded here: Colm #32 in 1970, Kieran #28 in 1967.
The order changed in 2022: Colm moved ahead. In 2021 they stood at #312 and #186; by 2022 that had become #239 and #349.
Most recent shared year, 2025: Colm #286, Kieran #348.
England and Wales · Boys25 shared years, 1996–2024
Colm held the stronger position in 0 of those years, Kieran in 25.
Highest recorded here: Colm #567 in 1997, Kieran #26 in 1996.
The order between them never changed and held in this list.
Most recent shared year, 2024: Colm #5119, Kieran #664.
Northern Ireland · Boys22 shared years, 1997–2018
Colm held the stronger position in 1 of those years, Kieran in 17.
Highest recorded here: Colm #96 in 1997, Kieran #90 in 1998.
The order between them never changed and held in this list.
Most recent shared year, 2018: Colm #319, Kieran #319.
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 | Colm | Kieran |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | male | male |
| Meaning | Not yet recorded | The Anglicized form of Ciarán, itself a diminutive of Ciar ('black, dark') — the same underlying name as the cohort's own Ciaran, spelled via the more common English-world transliteration. |
| Origin | Not yet recorded | Irish; shares Ciaran's root, this being the more widely used English-world spelling of the two |
| Pronunciation | Not yet recorded | /ˈkɪɹ.ən/ |
| Syllables | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Ciarán, Kieron, Kyran, Keiran |
| Recorded regional usage | GB-ENW, GB-NIR, IE | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ |
| Most recent popularity observation | Republic of Ireland · Boys #286 (2025) | Republic of Ireland · Boys #348 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 95/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | high |
What the data shows
- Kieran has a recorded origin (Irish; shares Ciaran's root, this being the more widely used English-world spelling of the two); Colm does not have one recorded yet.
- Colm has 1 syllable, compared with 2 for Kieran.
- A meaning is recorded for Kieran; Colm doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
- The available evidence gives Colm a "medium" Data Confidence level and Kieran a "high" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.
How each name got here
Colm
Popularity journey
First recorded1964
First recorded at #45 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: #32 among boys in Republic of Ireland, in 1970 (recorded 1964–2025).
Republic of Ireland · Boys
Most recent2025
Most recently recorded at #286 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys
Kieran
Popularity journey
First recorded1964
First recorded at #32 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 recorded1996–2024
Highest recorded position: #26 among boys in England and Wales, in 1996 (recorded 1996–2024).
England and Wales · Boys
Most recent2025
Most recently recorded at #348 among boys in Republic of Ireland, in 2025.
Republic of Ireland · Boys