Erin vs Sadhbh
Erin and Sadhbhcompared 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, Erin was ranked #25 and Sadhbh #253 among girls in Northern Ireland.
Republic of Ireland · Girls
In 2025, Erin was ranked #71 and Sadhbh #32 among girls in Republic of Ireland.
England and Wales · Girls
In 2025, Erin was ranked #72 and Sadhbh #3705 among girls in England and Wales.
Erin and Sadhbh over time
Erin and Sadhbh appear together in 3 published lists, across 80 years of shared records. Erin held the stronger position in more years in 3 of them, Sadhbh in 0.
In none of those lists did their order change and stay changed.
Erin reached its own highest recorded position earlier in 3 of those lists, and Sadhbh 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.
- Repeatedly exchanged positions
Erin and Sadhbh changed places 10 times in Republic of Ireland · Girls between 1977 and 2025, ending at #71 and #32.
- Closest over the longest run
Across 47 shared years in Republic of Ireland · Girls, Erin and Sadhbh averaged 56.0 places apart, ending at #71 and #32.
- Longest-running competitions
Erin and Sadhbh were both ranked in Republic of Ireland · Girls for 47 years, from 1977 to 2025, ending at #71 and #32.
List by list
Republic of Ireland · Girls47 shared years, 1977–2025
Erin held the stronger position in 34 of those years, Sadhbh in 11.
Highest recorded here: Erin #34 in 2006, Sadhbh #32 in 2022.
The order between them never changed and held in this list.
Most recent shared year, 2025: Erin #71, Sadhbh #32.
England and Wales · Girls17 shared years, 2001–2025
Erin held the stronger position in 17 of those years, Sadhbh in 0.
Highest recorded here: Erin #28 in 2006, Sadhbh #2615 in 2020.
The order between them never changed and held in this list.
Most recent shared year, 2025: Erin #72, Sadhbh #3705.
Northern Ireland · Girls16 shared years, 2006–2024
Erin held the stronger position in 16 of those years, Sadhbh in 0.
Highest recorded here: Erin #5 in 2009, Sadhbh #237 in 2021.
The order between them never changed and held in this list.
Most recent shared year, 2024: Erin #25, Sadhbh #253.
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 | Erin | Sadhbh |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | female | female |
| Meaning | An Anglicized form of Éireann, the Irish name for Ireland itself. | Not yet recorded |
| Origin | Irish | Not yet recorded |
| Pronunciation | /ˈɛɹ.ɪn/ | Not yet recorded |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ | GB-ENW, GB-NIR, IE |
| Most recent popularity observation | Republic of Ireland · Girls #71 (2025) | Republic of Ireland · Girls #32 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Erin has a recorded origin (Irish); Sadhbh does not have one recorded yet.
- Erin has 2 syllables, compared with 1 for Sadhbh.
- A meaning is recorded for Erin; Sadhbh doesn't have one written yet.
- Both names have recorded usage in GB-ENW, GB-NIR, IE.
How each name got here
Erin
Popularity journey
First recorded1975
First recorded at #89 among girls in New Zealand in 1975 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New Zealand · Girls
Highest recorded1997–2024
Highest recorded position: #5 among girls in Northern Ireland, in 2009 (recorded 1997–2024).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #72 among girls in England and Wales, in 2025.
England and Wales · Girls
Sadhbh
Popularity journey
First recorded1971
First recorded at #466 among girls in Republic of Ireland in 1971 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1971–2025
Highest recorded position: #32 among girls in Republic of Ireland, in 2022 (recorded 1971–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #3705 among girls in England and Wales, in 2025.
England and Wales · Girls