Erin vs Kassius
Erin and Kassiuscompared 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.
England and Wales · Boys
In 2024, Erin was ranked #4270 and Kassius #2671 among boys in England and Wales.
Erin and Kassius over time
Erin and Kassius appear together in 1 published list, across 13 years of shared records. Kassius held the stronger position in more years in 1 of them, Erin 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.
Erin reached its own highest recorded position earlier in 1 of those lists, and Kassius 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.
List by list
England and Wales · Boys13 shared years, 2001–2024
Erin held the stronger position in 3 of those years, Kassius in 10.
Highest recorded here: Erin #1595 in 2001, Kassius #1470 in 2017.
The order changed in 2012: Kassius moved ahead. In 2011 they stood at #2892 and #4647; by 2012 that had become #4805 and #2117.
Most recent shared year, 2024: Erin #4270, Kassius #2671.
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 | Kassius |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | female | male |
| 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 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ | GB-ENW |
| Most recent popularity observation | Republic of Ireland · Girls #71 (2025) | England and Wales · Boys #2671 (2024) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 40/100 |
| Data Confidence | medium | medium |
What the data shows
- Erin has a recorded origin (Irish); Kassius does not have one recorded yet.
- Erin and Kassius both have 2 syllables.
- A meaning is recorded for Erin; Kassius doesn't have one written yet.
- Both names have recorded usage in GB-ENW.
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 #71 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls
Kassius
Popularity journey
First recorded2001
First recorded at #2587 among boys in England and Wales in 2001 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Boys
Highest recorded2001–2024
Highest recorded position: #1470 among boys in England and Wales, in 2017 (recorded 2001–2024).
England and Wales · Boys
Most recent2024
Most recently recorded at #2671 among boys in England and Wales, in 2024.
England and Wales · Boys