Isabelle vs Sienna
Isabelle and Siennacompared 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.
New South Wales, Australia · Girls
In 2025, Isabelle was ranked #58 and Sienna #10 among girls in New South Wales, Australia.
England and Wales · Girls
In 2024, Isabelle was ranked #52 and Sienna #19 among girls in England and Wales.
Northern Ireland · Girls
In 2024, Isabelle was ranked #227 and Sienna #30 among girls in Northern Ireland.
Republic of Ireland · Girls
In 2025, Isabelle was ranked #34 and Sienna #62 among girls in Republic of Ireland.
Scotland · Girls
In 2024, Isabelle was ranked #207 and Sienna #41 among girls in Scotland.
New Zealand · Girls
In 2023, Isabelle was ranked #55 and Sienna #53 among girls in New Zealand.
Norway · Girls
In 2025, Isabelle was ranked #293 and Sienna #136 among girls in Norway.
Isabelle and Sienna over time
Isabelle and Sienna appear together in 6 published lists, across 136 years of shared records. Neither was ahead in more lists than the other.
The order between them changed and held in 3 of those lists — a change in that published list, never a claim that one name displaced the other.
Isabelle reached its own highest recorded position earlier in 4 of those lists, Sienna in 1. 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.
- One moved ahead of the other
In 2017, Sienna moved ahead of Isabelle in England and Wales · Girls — #21 and #28 the year before became #24 and #23.
- Repeatedly exchanged positions
Isabelle and Sienna changed places 7 times in New Zealand · Girls between 2005 and 2023, ending at #55 and #53.
- Closest over the longest run
Across 23 shared years in New South Wales, Australia · Girls, Isabelle and Sienna averaged 23.5 places apart, ending at #58 and #10.
- Mirrored each other
Over 21 shared years in Norway · Girls, Sienna rose about as far as Isabelle fell — from #150 and #616 in 2005 to #293 and #136 in 2025.
- Peaked in the same years
Both reached their highest recorded position in New South Wales, Australia · Girls within 2 years — Isabelle #27 in 2009, Sienna #7 in 2009.
List by list
England and Wales · Girls29 shared years, 1996–2024
Isabelle held the stronger position in 21 of those years, Sienna in 8.
Highest recorded here: Isabelle #17 in 2008, Sienna #12 in 2022.
The order changed in 2017: Sienna moved ahead. In 2016 they stood at #21 and #28; by 2017 that had become #24 and #23.
Most recent shared year, 2024: Isabelle #52, Sienna #19.
New South Wales, Australia · Girls23 shared years, 2003–2025
Isabelle held the stronger position in 1 of those years, Sienna in 22.
Highest recorded here: Isabelle #27 in 2009, Sienna #7 in 2009.
The order changed in 2004: Sienna moved ahead. In 2003 they stood at #52 and #91; by 2004 that had become #60 and #46.
Most recent shared year, 2025: Isabelle #58, Sienna #10.
Republic of Ireland · Girls23 shared years, 2002–2025
Isabelle held the stronger position in 23 of those years, Sienna in 0.
Highest recorded here: Isabelle #26 in 2010, Sienna #44 in 2022.
The order between them never changed and held in this list.
Most recent shared year, 2025: Isabelle #34, Sienna #62.
Northern Ireland · Girls21 shared years, 2004–2024
Isabelle held the stronger position in 0 of those years, Sienna in 20.
Highest recorded here: Isabelle #109 in 2012, Sienna #30 in 2024.
The order between them never changed and held in this list.
Most recent shared year, 2024: Isabelle #227, Sienna #30.
Norway · Girls21 shared years, 2005–2025
Isabelle held the stronger position in 12 of those years, Sienna in 9.
Highest recorded here: Isabelle #133 in 2013, Sienna #123 in 2024.
The order changed in 2018: Sienna moved ahead. In 2017 they stood at #161 and #175; by 2018 that had become #183 and #164.
Most recent shared year, 2025: Isabelle #293, Sienna #136.
New Zealand · Girls19 shared years, 2005–2023
Isabelle held the stronger position in 5 of those years, Sienna in 14.
Highest recorded here: Isabelle #27 in 2015, Sienna #23 in 2009.
The order between them never changed and held in this list.
Most recent shared year, 2023: Isabelle #55, Sienna #53.
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 | Isabelle | Sienna |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | female | female |
| Meaning | Not yet recorded | From the English word for the orange-red colour, ultimately from the Italian city of Siena, known for its distinctive reddish clay. |
| Origin | Not yet recorded | English (colour/place name) |
| Pronunciation | /si.ˈɛn.ə/ | |
| Syllables | 4 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | Republic of Ireland · Girls #34 (2025) | New South Wales, Australia · Girls #10 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 76/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Sienna has a recorded origin (English (colour/place name)); Isabelle does not have one recorded yet.
- Isabelle has 4 syllables, compared with 2 for Sienna.
- A meaning is recorded for Sienna; Isabelle doesn't have one written yet.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ.
How each name got here
Isabelle
Popularity journey
First recorded1962
First recorded at #454 among girls in Norway in 1962 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1996–2024
Highest recorded position: #17 among girls in England and Wales, in 2008 (recorded 1996–2024).
England and Wales · Girls
Most recent2025
Most recently recorded at #58 among girls in New South Wales, Australia, in 2025.
New South Wales, Australia · Girls
Sienna
Popularity journey
First recorded1996
First recorded at #974 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 recorded2003–2025
Highest recorded position: #7 among girls in New South Wales, Australia, in 2009 (recorded 2003–2025).
New South Wales, Australia · Girls
Most recent2025
Most recently recorded at #10 among girls in New South Wales, Australia, in 2025.
New South Wales, Australia · Girls