Ailis vs Si
Ailis and Sicompared 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 2003, Ailis was ranked #655 and Si #559 among girls in Republic of Ireland.
England and Wales · Girls
In 2016, Ailis was ranked #4763 and Si #5785 among girls in England and Wales.
Ailis and Si over time
Ailis and Si appear together in 1 published list, across 8 years of shared records. Si held the stronger position in more years in 1 of them, Ailis in 0.
In none of those lists did their order change and stay changed.
Ailis reached its own highest recorded position earlier in 1 of those lists, and Si 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 · Girls8 shared years, 1998–2016
Ailis held the stronger position in 3 of those years, Si in 4.
Highest recorded here: Ailis #1480 in 1998, Si #1653 in 2010.
The order between them never changed and held in this list.
Most recent shared year, 2016: Ailis #4763, Si #5785.
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 | Ailis | Si |
|---|---|---|
| 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 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, IE | GB-ENW, IE |
| Most recent popularity observation | England and Wales · Girls #4645 (2022) | England and Wales · Girls #5666 (2018) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 94/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Ailis has 2 syllables, compared with 1 for Si.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Ailis
Popularity journey
First recorded1964
First recorded at #327 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 recorded1997–2001
Highest recorded position: #293 among girls in Northern Ireland, in 2001 (recorded 1997–2001).
Northern Ireland · Girls
Most recent2022
Most recently recorded at #4645 among girls in England and Wales, in 2022.
England and Wales · Girls
Si
Popularity journey
First recorded1998
First recorded at #2701 among girls in England and Wales in 1998 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Girls
Most recent2018
Most recently recorded at #5666 among girls in England and Wales, in 2018.
England and Wales · Girls