Ada vs Sonja
Ada 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.
Norway · Girls
In 2025, Ada was ranked #18 and Sonja #35 among girls in Norway.
England and Wales · Girls
In 2020, Ada was ranked #38 and Sonja #3899 among girls in England and Wales.
Republic of Ireland · Girls
In 2012, Ada was ranked #371 and Sonja #907 among girls in Republic of Ireland.
Ada and Sonja over time
Ada and Sonja appear together in 2 published lists, across 95 years of shared records. Neither was ahead in more lists than the other.
The order between them changed and held in 2 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.
- Mirrored each other
Over 21 shared years in England and Wales · Girls, Ada rose about as far as Sonja fell — from #2683 and #2096 in 1996 to #38 and #3899 in 2020.
- Longest-running competitions
Ada and Sonja were both ranked in Norway · Girls for 74 years, from 1945 to 2025, ending at #18 and #35.
List by list
Norway · Girls74 shared years, 1945–2025
Ada held the stronger position in 34 of those years, Sonja in 40.
Highest recorded here: Ada #6 in 2019, Sonja #35 in 2025.
The order changed in 1993: Ada moved ahead. In 1992 they stood at #259 and #248; by 1993 that had become #240 and #346.
Most recent shared year, 2025: Ada #18, Sonja #35.
England and Wales · Girls21 shared years, 1996–2020
Ada held the stronger position in 18 of those years, Sonja in 2.
Highest recorded here: Ada #38 in 2020, Sonja #1970 in 1999.
The order changed in 2000: Ada moved ahead. In 1999 they stood at #2189 and #1970; by 2000 that had become #1831 and #3912.
Most recent shared year, 2020: Ada #38, Sonja #3899.
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 | Ada | Sonja |
|---|---|---|
| Record type | Editorially researched profile | Official statistical record (evidence-only) |
| Gender usage | female | female |
| Meaning | A short form of Germanic names beginning with 'adal' meaning 'noble', such as Adelaide or Adelina. Notably borne by Ada Lovelace, who assisted Charles Babbage with early computer development. | Not yet recorded |
| Origin | Germanic | Not yet recorded |
| Pronunciation | /ˈeɪ.də/ | Not yet recorded |
| Syllables | 2 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ | GB-ENW, IE, NO |
| Most recent popularity observation | Norway · Girls #18 (2025) | Norway · Girls #35 (2025) |
| Pronunciation clarity (demonstration score) | 90/100 | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Ada has a recorded origin (Germanic); Sonja does not have one recorded yet.
- Ada and Sonja both have 2 syllables.
- A meaning is recorded for Ada; Sonja doesn't have one written yet.
- Both names have recorded usage in GB-ENW, IE, NO.
How each name got here
Ada
Popularity journey
First recorded1945
First recorded at #229 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: #6 among girls in Norway, in 2019 (recorded 1945–2025).
Norway · Girls
Most recent2025
Most recently recorded at #18 among girls in Norway, in 2025.
Norway · 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