Eileen vs Kasey
Eileen and Kaseycompared 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 2013, Eileen was ranked #440 and Kasey #440 among girls in Northern Ireland.
Republic of Ireland · Girls
In 2025, Eileen was ranked #443 and Kasey #718 among girls in Republic of Ireland.
Scotland · Girls
In 2024, Eileen was ranked #638 and Kasey #638 among girls in Scotland.
England and Wales · Girls
In 2024, Eileen was ranked #855 and Kasey #4192 among girls in England and Wales.
Eileen and Kasey over time
Eileen and Kasey appear together in 2 published lists, across 56 years of shared records. Neither was ahead in more lists than the other.
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.
Each reached its own highest recorded position first in 1 of the lists they share.
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
Eileen and Kasey changed places 10 times in Republic of Ireland · Girls between 1992 and 2025, ending at #443 and #718.
- Peaked in the same years
Both reached their highest recorded position in Republic of Ireland · Girls within 2 years — Eileen #156 in 1997, Kasey #252 in 1998.
List by list
England and Wales · Girls29 shared years, 1996–2024
Eileen held the stronger position in 7 of those years, Kasey in 21.
Highest recorded here: Eileen #855 in 2024, Kasey #340 in 2006.
The order changed in 2019: Eileen moved ahead. In 2018 they stood at #2090 and #1490; by 2019 that had become #1316 and #1389.
Most recent shared year, 2024: Eileen #855, Kasey #4192.
Republic of Ireland · Girls27 shared years, 1992–2025
Eileen held the stronger position in 18 of those years, Kasey in 8.
Highest recorded here: Eileen #156 in 1997, Kasey #252 in 1998.
The order between them never changed and held in this list.
Most recent shared year, 2025: Eileen #443, Kasey #718.
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 | Eileen | Kasey |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | female | Used for both boys and girls |
| 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 | GB-ENW, GB-NIR, GB-SCT, IE, NO | GB-ENW, GB-NIR, GB-SCT, IE |
| Most recent popularity observation | Republic of Ireland · Girls #443 (2025) | Republic of Ireland · Boys #577 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Eileen and Kasey both have 2 syllables.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
How each name got here
Eileen
Popularity journey
First recorded1945
First recorded at #324 among girls in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1964–2025
Highest recorded position: #17 among girls in Republic of Ireland, in 1964 (recorded 1964–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #501 among girls in Norway, in 2025.
Norway · Girls
Kasey
Popularity journey
First recorded1992
First recorded at #456 among girls in Republic of Ireland in 1992 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded2002–2014
Highest recorded position: #247 among girls in Northern Ireland, in 2014 (recorded 2002–2014).
Northern Ireland · Girls
Most recent2025
Most recently recorded at #718 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls