Aisling vs Sonja

Aisling and Sonjacompared 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 2012, Aisling was ranked #42 and Sonja #907 among girls in Republic of Ireland.
England and Wales · Girls
In 2020, Aisling was ranked #1556 and Sonja #3899 among girls in England and Wales.

Aisling and Sonja over time

Aisling and Sonja appear together in 2 published lists, across 38 years of shared records. Aisling held the stronger position in more years in 2 of them, Sonja in 0.

In none of those lists did their order change and stay changed.

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.

Peaked in the same years
Both reached their highest recorded position in England and Wales · Girls within 2 years — Aisling #391 in 1998, Sonja #1970 in 1999.

List by list

England and Wales · Girls21 shared years, 1996–2020
Aisling held the stronger position in 21 of those years, Sonja in 0.
Highest recorded here: Aisling #391 in 1998, Sonja #1970 in 1999.
The order between them never changed and held in this list.
Most recent shared year, 2020: Aisling #1556, Sonja #3899.
Republic of Ireland · Girls17 shared years, 1965–2012
Aisling held the stronger position in 17 of those years, Sonja in 0.
Highest recorded here: Aisling #10 in 1992, Sonja #289 in 1971.
The order between them never changed and held in this list.
Most recent shared year, 2012: Aisling #42, Sonja #907.

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 Aisling

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

Charlotte vs Aisling
In 1997 they stood at #72 and #70 in Northern Ireland · Girls, 2 places apart; by 2022 they were #13 and #418.
Charlotte · Aisling · 26 shared years, 1997–2022 · Started together, ended far apart
See the 2022 Northern Ireland ranking
Georgia vs Aisling
In 1997 they stood at #70 and #70 in Northern Ireland · Girls, 0 places apart; by 2022 they were #40 and #418.
Georgia · Aisling · 26 shared years, 1997–2022 · Started together, ended far apart
See the 2022 Northern Ireland ranking
Aisling vs Alice
In 1997 they stood at #70 and #63 in Northern Ireland · Girls, 7 places apart; by 2022 they were #418 and #56.
Aisling · Alice · 26 shared years, 1997–2022 · Started together, ended far apart
See the 2022 Northern Ireland ranking
Aisling vs Abigail
In 1997 they stood at #70 and #72 in Northern Ireland · Girls, 2 places apart; by 2022 they were #418 and #73.
Aisling · Abigail · 26 shared years, 1997–2022 · Started together, ended far apart
See the 2022 Northern Ireland ranking

Side by side

Side-by-side comparison of Aisling, Sonja
Field	Aisling	Sonja
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	GB-ENW, GB-NIR, IE	GB-ENW, IE, NO
Most recent popularity observation	Republic of Ireland · Girls #180 (2025)	Norway · Girls #35 (2025)
Pronunciation clarity (demonstration score)	Not yet recorded	Not yet recorded
Spelling simplicity (demonstration score)	82/100	94/100
International familiarity (demonstration score)	100/100	100/100
Data Confidence	medium	medium

What the data shows

Aisling and Sonja both have 2 syllables.
Both names have recorded usage in GB-ENW, IE.

How each name got here

Aisling

Popularity journey

First recorded1964
First recorded at #154 among girls in Republic of Ireland in 1964 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1964–2025
Highest recorded position: #8 among girls in Republic of Ireland, in 1991 (recorded 1964–2025).
Republic of Ireland · Girls
Most recent2025
Most recently recorded at #180 among girls in Republic of Ireland, in 2025.
Republic of Ireland · Girls

Sonja

Popularity journey

First recorded1945
First recorded at #44 among girls in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1945–2025
Highest recorded position: #35 among girls in Norway, in 2025 (recorded 1945–2025).
Norway · Girls
Most recent2025
Most recently recorded at #35 among girls in Norway, in 2025.
Norway · Girls