Aoibh vs Caitlin
Aoibh and Caitlincompared 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 2024, Aoibh was ranked #192 and Caitlin #119 among girls in Northern Ireland.
Republic of Ireland · Girls
In 2025, Aoibh was ranked #189 and Caitlin #247 among girls in Republic of Ireland.
England and Wales · Girls
In 2021, Aoibh was ranked #5581 and Caitlin #529 among girls in England and Wales.
Aoibh and Caitlin over time
Aoibh and Caitlin appear together in 2 published lists, across 51 years of shared records. Caitlin held the stronger position in more years in 2 of them, Aoibh 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.
Caitlin reached its own highest recorded position earlier in 2 of those lists, and Aoibh 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 2020, Aoibh moved ahead of Caitlin in Republic of Ireland · Girls — #215 and #152 the year before became #187 and #246.
List by list
Republic of Ireland · Girls28 shared years, 1998–2025
Aoibh held the stronger position in 6 of those years, Caitlin in 22.
Highest recorded here: Aoibh #148 in 2023, Caitlin #31 in 2003.
The order changed in 2020: Aoibh moved ahead. In 2019 they stood at #215 and #152; by 2020 that had become #187 and #246.
Most recent shared year, 2025: Aoibh #189, Caitlin #247.
Northern Ireland · Girls23 shared years, 2000–2024
Aoibh held the stronger position in 1 of those years, Caitlin in 22.
Highest recorded here: Aoibh #135 in 2023, Caitlin #2 in 2002.
The order between them never changed and held in this list.
Most recent shared year, 2024: Aoibh #192, Caitlin #119.
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 Caitlin
Pairs where Caitlin shares a published list with another name, each measured inside one registrar's own list.
- Caitlin vs Ashleigh
In 1996 they stood at #66 and #58 in England and Wales · Girls, 8 places apart; by 2025 they were #1028 and #2788.
Caitlin · Ashleigh · 30 shared years, 1996–2025 · Started together, ended far apart
- Amelia vs Caitlin
In 1996 they stood at #63 and #66 in England and Wales · Girls, 3 places apart; by 2025 they were #3 and #1028.
Amelia · Caitlin · 30 shared years, 1996–2025 · Started together, ended far apart
- Caitlin vs Phoebe
In 1996 they stood at #66 and #65 in England and Wales · Girls, 1 places apart; by 2025 they were #1028 and #14.
Caitlin · Phoebe · 30 shared years, 1996–2025 · Started together, ended far apart
- Caitlin vs Daisy
In 1996 they stood at #66 and #71 in England and Wales · Girls, 5 places apart; by 2025 they were #1028 and #18.
Caitlin · Daisy · 30 shared years, 1996–2025 · Started together, ended far apart
Side by side
| Field | Aoibh | Caitlin |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | female | female |
| Meaning | Not yet recorded | An Anglicized form of Caitlín, itself a cognate of Katherine/Catalina traditions across Europe. |
| Origin | Not yet recorded | Irish, cognate of the wider Katherine family |
| Pronunciation | Not yet recorded | /ˈkeɪt.lɪn/ |
| Syllables | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| 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 · Girls #189 (2025) | Republic of Ireland · Girls #247 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 94/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Caitlin has a recorded origin (Irish, cognate of the wider Katherine family); Aoibh does not have one recorded yet.
- Aoibh has 1 syllable, compared with 2 for Caitlin.
- A meaning is recorded for Caitlin; Aoibh doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Aoibh
Popularity journey
First recorded1998
First recorded at #425 among girls in Republic of Ireland in 1998 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded2000–2024
Highest recorded position: #135 among girls in Northern Ireland, in 2023 (recorded 2000–2024).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #189 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls
Caitlin
Popularity journey
First recorded1967
First recorded at #393 among girls in Republic of Ireland in 1967 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1997–2024
Highest recorded position: #2 among girls in Northern Ireland, in 2002 (recorded 1997–2024).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #1028 among girls in England and Wales, in 2025.
England and Wales · Girls