Alison vs Siun
Alison and Siuncompared 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 2017, Alison was ranked #145 and Siun #145 among girls in Republic of Ireland.
Northern Ireland · Girls
In 2013, Alison was ranked #440 and Siun #370 among girls in Northern Ireland.
Alison and Siun over time
Alison and Siun appear together in 1 published list, across 25 years of shared records. Alison held the stronger position in more years in 1 of them, Siun in 0.
In none of those lists did their order change and stay changed.
Alison reached its own highest recorded position earlier in 1 of those lists, and Siun 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
Alison and Siun changed places 5 times in Republic of Ireland · Girls between 1982 and 2017, ending at #145 and #145.
- Mirrored each other
Over 25 shared years in Republic of Ireland · Girls, Siun rose about as far as Alison fell — from #70 and #523 in 1982 to #145 and #145 in 2017.
List by list
Republic of Ireland · Girls25 shared years, 1982–2017
Alison held the stronger position in 21 of those years, Siun in 3.
Highest recorded here: Alison #38 in 1990, Siun #132 in 2015.
The order between them never changed and held in this list.
Most recent shared year, 2017: Alison #145, Siun #145.
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 | Alison | Siun |
|---|---|---|
| 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 | 3 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, IE, NZ | GB-NIR, IE |
| Most recent popularity observation | Republic of Ireland · Girls #213 (2025) | Northern Ireland · Girls #337 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 88/100 | 95/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Alison has 3 syllables, compared with 1 for Siun.
- Both names have recorded usage in GB-NIR, IE.
How each name got here
Alison
Popularity journey
First recorded1952
First recorded at #76 among girls in New South Wales, Australia in 1952 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New South Wales, Australia · Girls
Highest recorded1952–1996
Highest recorded position: #18 among girls in New South Wales, Australia, in 1979 (recorded 1952–1996).
New South Wales, Australia · Girls
Most recent2025
Most recently recorded at #213 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls
Siun
Popularity journey
First recorded1982
First recorded at #523 among girls in Republic of Ireland in 1982 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1982–2017
Highest recorded position: #132 among girls in Republic of Ireland, in 2015 (recorded 1982–2017).
Republic of Ireland · Girls
Most recent2024
Most recently recorded at #337 among girls in Northern Ireland, in 2024.
Northern Ireland · Girls