Caoilinn vs Fiadh
Caoilinn and Fiadhcompared 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 · Girls
In 2025, Caoilinn was ranked #544 and Fiadh #3 among girls in Republic of Ireland.
England and Wales · Girls
In 2021, Caoilinn was ranked #5581 and Fiadh #355 among girls in England and Wales.
Caoilinn and Fiadh over time
Caoilinn and Fiadh appear together in 1 published list, across 22 years of shared records. Fiadh held the stronger position in more years in 1 of them, Caoilinn 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.
Caoilinn reached its own highest recorded position earlier in 1 of those lists, and Fiadh 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 2011, Fiadh moved ahead of Caoilinn in Republic of Ireland · Girls — #309 and #319 the year before became #359 and #189.
- Mirrored each other
Over 22 shared years in Republic of Ireland · Girls, Fiadh rose about as far as Caoilinn fell — from #289 and #620 in 2002 to #544 and #3 in 2025.
List by list
Republic of Ireland · Girls22 shared years, 2002–2025
Caoilinn held the stronger position in 6 of those years, Fiadh in 15.
Highest recorded here: Caoilinn #246 in 2013, Fiadh #1 in 2021.
The order changed in 2011: Fiadh moved ahead. In 2010 they stood at #309 and #319; by 2011 that had become #359 and #189.
Most recent shared year, 2025: Caoilinn #544, Fiadh #3.
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 Fiadh
Pairs where Fiadh shares a published list with another name, each measured inside one registrar's own list.
- Fiadh vs Ada
Both reached their highest recorded position in Republic of Ireland · Girls within 2 years — Fiadh #1 in 2021, Ada #34 in 2023.
Fiadh · Ada · 22 shared years, 2002–2025 · Peaked in the same years
- Fiadh vs Alice
Both reached their highest recorded position in Republic of Ireland · Girls within 2 years — Fiadh #1 in 2021, Alice #29 in 2022.
Fiadh · Alice · 22 shared years, 2002–2025 · Peaked in the same years
- Fiadh vs Aria
Both reached their highest recorded position in Republic of Ireland · Girls within 2 years — Fiadh #1 in 2021, Aria #58 in 2023.
Fiadh · Aria · 16 shared years, 2009–2025 · Peaked in the same years
- Fiadh vs Bonnie
Both reached their highest recorded position in Republic of Ireland · Girls within 2 years — Fiadh #1 in 2021, Bonnie #33 in 2023.
Fiadh · Bonnie · 22 shared years, 2002–2025 · Peaked in the same years
Side by side
| Field | Caoilinn | Fiadh |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | female | female |
| Meaning | Not yet recorded | Carries dual meanings in Modern Irish: 'wild, wild animal, deer' (from Irish 'fia'), or alternatively 'respect'. |
| Origin | Not yet recorded | Irish (modern) |
| Pronunciation | Not yet recorded | /ˈfʲiə/ |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, IE | GB-ENW, GB-NIR, GB-SCT, IE |
| Most recent popularity observation | Republic of Ireland · Girls #544 (2025) | Republic of Ireland · Girls #3 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 76/100 | 94/100 |
| International familiarity (demonstration score) | 60/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Fiadh has a recorded origin (Irish (modern)); Caoilinn does not have one recorded yet.
- Caoilinn has 2 syllables, compared with 1 for Fiadh.
- A meaning is recorded for Fiadh; Caoilinn doesn't have one written yet.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Caoilinn
Popularity journey
First recorded1994
First recorded at #502 among girls in Republic of Ireland in 1994 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1994–2025
Highest recorded position: #246 among girls in Republic of Ireland, in 2013 (recorded 1994–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #544 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls
Fiadh
Popularity journey
First recorded2002
First recorded at #620 among girls in Republic of Ireland in 2002 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded2002–2025
Highest recorded position: #1 among girls in Republic of Ireland, in 2021 (recorded 2002–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #256 among girls in England and Wales, in 2025.
England and Wales · Girls