Aiden vs Caolain
Aiden and Caolaincompared 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 · Boys
In 1997, Aiden was ranked #271 and Caolain #271 among boys in Northern Ireland.
Republic of Ireland · Boys
In 2007, Aiden was ranked #374 and Caolain #527 among boys in Republic of Ireland.
Side by side
| Field | Aiden | Caolain |
|---|---|---|
| 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 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-NIR, IE |
| Most recent popularity observation | Republic of Ireland · Boys #149 (2025) | Republic of Ireland · Boys #527 (2007) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Aiden and Caolain both have 2 syllables.
- Both names have recorded usage in GB-NIR, IE.
How each name got here
Aiden
Popularity journey
First recorded1964
First recorded at #94 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 recorded1999–2024
Highest recorded position: #33 among boys in New South Wales, Australia, in 2010 (recorded 1999–2024).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #301 among boys in Norway, in 2025.
Norway · Boys
Caolain
Popularity journey
First recorded1998
First recorded at #324 among boys in Republic of Ireland in 1998 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Boys
Most recent2007
Most recently recorded at #527 among boys in Republic of Ireland, in 2007.
Republic of Ireland · Boys