Cassandra vs Siena
Cassandra and Sienacompared 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 2024, Cassandra was ranked #441 and Siena #898 among girls in Republic of Ireland.
England and Wales · Girls
In 2024, Cassandra was ranked #510 and Siena #751 among girls in England and Wales.
Scotland · Girls
In 2024, Cassandra was ranked #541 and Siena #638 among girls in Scotland.
Cassandra and Siena over time
Cassandra and Siena appear together in 2 published lists, across 39 years of shared records. Siena held the stronger position in more years in 1 of them, Cassandra 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.
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
Cassandra and Siena changed places 5 times in Republic of Ireland · Girls between 2005 and 2024, ending at #441 and #898.
- Mirrored each other
Over 29 shared years in England and Wales · Girls, Siena rose about as far as Cassandra fell — from #319 and #1646 in 1996 to #510 and #751 in 2024.
List by list
England and Wales · Girls29 shared years, 1996–2024
Cassandra held the stronger position in 12 of those years, Siena in 17.
Highest recorded here: Cassandra #319 in 1996, Siena #415 in 2013.
The order between them never changed and held in this list.
Most recent shared year, 2024: Cassandra #510, Siena #751.
Republic of Ireland · Girls10 shared years, 2005–2024
Cassandra held the stronger position in 4 of those years, Siena in 4.
Highest recorded here: Cassandra #441 in 2024, Siena #461 in 2005.
The order changed in 2024: Cassandra moved ahead. In 2023 they stood at #883 and #661; by 2024 that had become #441 and #898.
Most recent shared year, 2024: Cassandra #441, Siena #898.
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.
Where to go next
Comparisons that share a name, a rule or a published list with this one. Each is an existing comparison page with its own evidence — nothing here says these pairs are alike.
Other comparisons involving Cassandra
Pairs where Cassandra shares a published list with another name, each measured inside one registrar's own list.
- Hayley vs Cassandra
Across 21 shared years in New South Wales, Australia · Girls, Hayley and Cassandra averaged 10.2 places apart, ending at #31 and #90.
Hayley · Cassandra · 21 shared years, 1979–1999 · Closest over the longest run
- Jasmine vs Cassandra
In New South Wales, Australia · Girls, Jasmine moved into the top 50 at #30 in 1996 as Cassandra fell out of it to #51, having been #34 the year before.
Jasmine · Cassandra · 15 shared years, 1982–1999 · One took the other's place near the top
- Zoe vs Cassandra
In New South Wales, Australia · Girls, Zoe moved into the top 50 at #31 in 1996 as Cassandra fell out of it to #51, having been #34 the year before.
Zoe · Cassandra · 18 shared years, 1981–1999 · One took the other's place near the top
- Kylie vs Cassandra
In New South Wales, Australia · Girls, Cassandra moved into the top 50 at #34 in 1989 as Kylie fell out of it to #82, having been #23 the year before.
Kylie · Cassandra · 21 shared years, 1969–1989 · One took the other's place near the top
Side by side
| Field | Cassandra | Siena |
|---|---|---|
| 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 | |
| Syllables | 3 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-ENW, GB-NIR, GB-SCT, IE |
| Most recent popularity observation | Norway · Girls #340 (2025) | Scotland · Girls #638 (2024) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 70/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Cassandra has 3 syllables, compared with 2 for Siena.
- Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.
How each name got here
Cassandra
Popularity journey
First recorded1969
First recorded at #99 among girls in New South Wales, Australia in 1969 — the earliest year that source publishes this name, not necessarily the earliest it was used.
New South Wales, Australia · Girls
Highest recorded1969–1999
Highest recorded position: #25 among girls in New South Wales, Australia, in 1992 (recorded 1969–1999).
New South Wales, Australia · Girls
Most recent2025
Most recently recorded at #340 among girls in Norway, in 2025.
Norway · Girls
Siena
Popularity journey
First recorded1996
First recorded at #1646 among girls in England and Wales in 1996 — the earliest year that source publishes this name, not necessarily the earliest it was used.
England and Wales · Girls
Highest recorded1996–2024
Highest recorded position: #415 among girls in England and Wales, in 2013 (recorded 1996–2024).
England and Wales · Girls
Most recent2024
Most recently recorded at #751 among girls in England and Wales, in 2024.
England and Wales · Girls