Aileen vs Aisleen
Aileen and Aisleencompared 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.
Republic of Ireland · Girls
In 1994, Aileen was ranked #130 and Aisleen #450 among girls in Republic of Ireland.
Northern Ireland · Girls
In 2002, Aileen was ranked #286 and Aisleen #286 among girls in Northern Ireland.
Side by side
| Field | Aileen | Aisleen |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | female | female |
| 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, IE, NO | GB-NIR, IE |
| Most recent popularity observation | Republic of Ireland · Girls #718 (2025) | Northern Ireland · Girls #286 (2002) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 82/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Aileen and Aisleen both have 2 syllables.
- Both names have recorded usage in GB-NIR, IE.
How each name got here
Aileen
Popularity journey
First recorded1964
First recorded at #100 among girls in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1964–2025
Highest recorded position: #81 among girls in Republic of Ireland, in 1983 (recorded 1964–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #718 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls
Aisleen
Popularity journey
First recorded1977
First recorded at #518 among girls in Republic of Ireland in 1977 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Most recent1994
Most recently recorded at #450 among girls in Republic of Ireland, in 1994.
Republic of Ireland · Girls