Lily vs Sienna
Lily 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.
Republic of Ireland · Girls
In 2025, Lily was ranked #1 and Sienna #62 among girls in Republic of Ireland.
England and Wales · Girls
In 2024, Lily was ranked #3 and Sienna #19 among girls in England and Wales.
Scotland · Girls
In 2024, Lily was ranked #4 and Sienna #41 among girls in Scotland.
Northern Ireland · Girls
In 2024, Lily was ranked #6 and Sienna #30 among girls in Northern Ireland.
New Zealand · Girls
In 2023, Lily was ranked #7 and Sienna #53 among girls in New Zealand.
New South Wales, Australia · Girls
In 2025, Lily was ranked #9 and Sienna #10 among girls in New South Wales, Australia.
Norway · Girls
In 2025, Lily was ranked #123 and Sienna #136 among girls in Norway.
Lily and Sienna over time
Lily and Sienna appear together in 6 published lists, across 136 years of shared records. Lily held the stronger position in more years in 5 of them, Sienna in 1.
In none of those lists did their order change and stay changed.
Sienna reached its own highest recorded position earlier in 3 of those lists, Lily in 2. 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
Lily and Sienna changed places 6 times in New South Wales, Australia · Girls between 2003 and 2025, ending at #9 and #10.
- Closest over the longest run
Across 23 shared years in New South Wales, Australia · Girls, Lily and Sienna averaged 7.9 places apart, ending at #9 and #10.
- Peaked in the same years
Both reached their highest recorded position in New South Wales, Australia · Girls within 2 years — Lily #7 in 2010, Sienna #7 in 2009.
List by list
England and Wales · Girls29 shared years, 1996–2024
Lily held the stronger position in 29 of those years, Sienna in 0.
Highest recorded here: Lily #3 in 2011, Sienna #12 in 2022.
The order between them never changed and held in this list.
Most recent shared year, 2024: Lily #3, Sienna #19.
New South Wales, Australia · Girls23 shared years, 2003–2025
Lily held the stronger position in 8 of those years, Sienna in 15.
Highest recorded here: Lily #7 in 2010, Sienna #7 in 2009.
The order between them never changed and held in this list.
Most recent shared year, 2025: Lily #9, Sienna #10.
Republic of Ireland · Girls23 shared years, 2002–2025
Lily held the stronger position in 23 of those years, Sienna in 0.
Highest recorded here: Lily #1 in 2025, Sienna #44 in 2022.
The order between them never changed and held in this list.
Most recent shared year, 2025: Lily #1, Sienna #62.
Northern Ireland · Girls21 shared years, 2004–2024
Lily held the stronger position in 21 of those years, Sienna in 0.
Highest recorded here: Lily #5 in 2011, Sienna #30 in 2024.
The order between them never changed and held in this list.
Most recent shared year, 2024: Lily #6, Sienna #30.
Norway · Girls21 shared years, 2005–2025
Lily held the stronger position in 17 of those years, Sienna in 4.
Highest recorded here: Lily #90 in 2024, Sienna #123 in 2024.
The order between them never changed and held in this list.
Most recent shared year, 2025: Lily #123, Sienna #136.
New Zealand · Girls19 shared years, 2005–2023
Lily held the stronger position in 19 of those years, Sienna in 0.
Highest recorded here: Lily #5 in 2022, Sienna #23 in 2009.
The order between them never changed and held in this list.
Most recent shared year, 2023: Lily #7, 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 | Lily | Sienna |
|---|---|---|
| Record type | Editorially researched profile | Editorially researched profile |
| Gender usage | female | female |
| Meaning | From the English word for the lily flower. | From the English word for the orange-red colour, ultimately from the Italian city of Siena, known for its distinctive reddish clay. |
| Origin | English (flower name) | English (colour/place name) |
| Pronunciation | /ˈlɪli/ | /si.ˈɛn.ə/ |
| Syllables | 2 | 2 |
| Common variants / nicknames | Lil, Lilah, Lillie, Lilly, Lilian | 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 #1 (2025) | New South Wales, Australia · Girls #10 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | 90/100 |
| Spelling simplicity (demonstration score) | 95/100 | 88/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | high | medium |
What the data shows
- Lily is recorded with a English (flower name) origin, while Sienna is recorded with a English (colour/place name) origin.
- Lily and Sienna both have 2 syllables.
- Lily's recorded meaning differs from Sienna's — see the table above for each.
- Both names have recorded usage in AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ.
- The available evidence gives Lily a "high" Data Confidence level and Sienna a "medium" level — this reflects how complete and corroborated the underlying evidence is, not a judgement of either name.
How each name got here
Lily
Popularity journey
First recorded1981
First recorded at #471 among girls in Republic of Ireland in 1981 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1981–2025
Highest recorded position: #1 among girls in Republic of Ireland, in 2025 (recorded 1981–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #9 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