Jenna vs Siena

Jenna 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.

Northern Ireland · Girls
In 2014, Jenna was ranked #314 and Siena #439 among girls in Northern Ireland.
Scotland · Girls
In 2024, Jenna was ranked #638 and Siena #638 among girls in Scotland.
Republic of Ireland · Girls
In 2024, Jenna was ranked #736 and Siena #898 among girls in Republic of Ireland.
England and Wales · Girls
In 2024, Jenna was ranked #1302 and Siena #751 among girls in England and Wales.

Jenna and Siena over time

Jenna and Siena appear together in 2 published lists, across 43 years of shared records. Jenna held the stronger position in more years in 2 of them, Siena 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.

Jenna reached its own highest recorded position earlier in 1 of those lists, and Siena 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.

Peaked in the same years
Both reached their highest recorded position in Republic of Ireland · Girls within 2 years — Jenna #137 in 2005, Siena #461 in 2005.

List by list

England and Wales · Girls29 shared years, 1996–2024
Jenna held the stronger position in 18 of those years, Siena in 10.
Highest recorded here: Jenna #148 in 1997, Siena #415 in 2013.
The order changed in 2016: Siena moved ahead. In 2015 they stood at #455 and #549; by 2016 that had become #560 and #537.
Most recent shared year, 2024: Jenna #1302, Siena #751.
Republic of Ireland · Girls14 shared years, 2005–2024
Jenna held the stronger position in 14 of those years, Siena in 0.
Highest recorded here: Jenna #137 in 2005, Siena #461 in 2005.
The order between them never changed and held in this list.
Most recent shared year, 2024: Jenna #736, 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 Jenna

Pairs where Jenna shares a published list with another name, each measured inside one registrar's own list.

Annie vs Jenna
In 1997 they stood at #112 and #109 in Northern Ireland · Girls, 3 places apart; by 2022 they were #8 and #354.
Annie · Jenna · 24 shared years, 1997–2022 · Started together, ended far apart
See the 2022 Northern Ireland ranking
Jenna vs Zara
In 1997 they stood at #109 and #104 in Northern Ireland · Girls, 5 places apart; by 2022 they were #354 and #46.
Jenna · Zara · 24 shared years, 1997–2022 · Started together, ended far apart
See the 2022 Northern Ireland ranking
Emma vs Jenna
Both reached their highest recorded position in Northern Ireland · Girls within 2 years — Emma #1 in 2003, Jenna #74 in 2005.
Emma · Jenna · 24 shared years, 1997–2022 · Peaked in the same years
See the 2005 Northern Ireland ranking
Katie vs Jenna
Both reached their highest recorded position in Northern Ireland · Girls within 2 years — Katie #1 in 2004, Jenna #74 in 2005.
Katie · Jenna · 24 shared years, 1997–2022 · Peaked in the same years
See the 2005 Northern Ireland ranking

Side by side

Side-by-side comparison of Jenna, Siena
Field	Jenna	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	Not yet recorded
Syllables	2	2
Common variants / nicknames	Not yet recorded	Not yet recorded
Recorded regional usage	AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NZ	GB-ENW, GB-NIR, GB-SCT, IE
Most recent popularity observation	Republic of Ireland · Girls #885 (2025)	Scotland · Girls #638 (2024)
Pronunciation clarity (demonstration score)	Not yet recorded	Not yet recorded
Spelling simplicity (demonstration score)	94/100	94/100
International familiarity (demonstration score)	100/100	100/100
Data Confidence	medium	medium

What the data shows

Jenna and Siena both have 2 syllables.
Both names have recorded usage in GB-ENW, GB-NIR, GB-SCT, IE.

How each name got here

Jenna

Popularity journey

First recorded1979
First recorded at #391 among girls in Republic of Ireland in 1979 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1983–2004
Highest recorded position: #12 among girls in New Zealand, in 1985 (recorded 1983–2004).
New Zealand · Girls
Most recent2025
Most recently recorded at #885 among girls in Republic of Ireland, in 2025.
Republic of Ireland · 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