Sonja

#3,965 in 2025Girls' name

Wisdom

Sonja has been given to 39,557 babies in the U.S. since 1906. In 2025 it ranked #3,965 of 17,293 girls’ names in use. Its peak year was 1968, with 1,339 recorded.

Babies named Sonja, 2025

1 in 89,600

Sonja over time, 1880–2025

GirlsBoys
05001K1.5K18801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Sonja: meaning, origin, and history

Wisdom

International form of Russian Sonya, from Greek Sophia

About Sonja

Sonja is an established international spelling of Sonya, the Russian familiar form of the Greek name Sophia, meaning “wisdom.” Its j usually has a y sound in the European languages where the spelling is established. Norwegian skater Sonja Henie and Sonja Haraldsen, who married Norway's Crown Prince Harald, give it especially strong Scandinavian associations.

Sophia, Sonya, and Sonja

The name's oldest meaning comes from Greek sophia, “wisdom.” Sonya developed as a Russian diminutive of Sophia, and Sonja represents that familiar form in languages including German, Dutch, Finnish, and several Scandinavian languages.

Sonia is another related spelling. The three forms often look almost interchangeable to an English reader, but their written consonants reflect different language conventions. Sonja's j is not normally the English j of “jam.”

German Sonja is approximately ZON-yah, while Finnish is closer to SON-yah. Both have two syllables and stress at the beginning. Sophia and Sofia provide longer members of the same family, while Sonja has developed an independent life as a full given name.

Sonja Henie on ice

Norwegian figure skater Sonja Henie won three consecutive Olympic gold medals, in 1928, 1932, and 1936. The victories came at St. Moritz, Lake Placid, and Garmisch-Partenkirchen respectively.

She also won ten consecutive world championships from 1927 through 1936. That run connected her name with an extended period of dominance rather than a single Olympic performance. Her competitive career made her one of the most recognizable figures in the early history of women's skating.

Henie later moved into professional ice shows and film performance. The transition carried the name from sporting results to entertainment, keeping it before audiences after her amateur championships had ended. Her public career gives Sonja a particularly visible twentieth-century namesake.

A Norwegian royal wedding

Sonja Haraldsen married Crown Prince Harald in Oslo Cathedral on August 29, 1968. They had first met nine years earlier, and the marriage attracted considerable attention because she was not from a royal or noble family.

Their engagement was announced on March 19 after King Olav gave his consent. The wedding joined a private relationship with the formal traditions of the Norwegian monarchy, bringing her first name into international coverage.

The procession traveled from the Royal Palace to the cathedral through streets decorated with flags and flowers. That public celebration gives Sonja another Norwegian association, separate from Henie's sporting fame. Both women made the same spelling visible beyond the languages in which it was already established.

American popularity

Sonja's strongest American female ranking was #180 in 1938, when 1,117 girls received it. Its largest annual count came later, in 1968, with 1,339 births.

The count was 397 in 1980 and 123 in 2000. In 2025, thirty-seven American girls received Sonja, ranking #3,965. Its American history contains more than one period of visibility, while Sonya and Sonia have separate totals.

Sources & methodologyReferences, data & attribution

Meaning and history draw on the references below. American popularity figures use published Social Security Administration records for this exact spelling; counts below five for a name, sex, and year are omitted. Existing Wiktionary material is available under CC BY-SA. Informal shortening suggestions are identified in the prose.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Sonja?

In 2025, Sonja ranked #3,965 among girls in the United States, with 37 recorded uses. The U.S. birth records first list this spelling for girls in 1906; its largest annual count was 1,339 in 1968. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Sonja?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 89,600
37 of 3,315,165 births
Among girls only
1 in 43,400
<0.01% of girls
Rank, 2025
#3,965
of 17,293 girls’ names in use
Coin-flip room size
62,106 kids
Even odds of a second one

Where Sonja sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 62,106 children born in 2025 and it's an even bet that one of them is another Sonja. In a class of 30 the chance is Under 1%.

When Sonjas were born

Half of everyone ever recorded as Sonja was born before 1966 — so the typical Sonja is around 59 today.

Median birth year
1966
About 59 years old
Biggest decade
1960s
27.7% of all use
Born in the last 25 years
6.0%
Mostly a past generation
Recorded since 1950
30,963
People you could plausibly meet
Choose a decade

1960s — 27.7% of all recorded uses (10,962).

Is Sonja rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−990
Places dropped
Rank vs 5 years ago
−1,628
Places dropped
Rank vs 10 years ago
−1,758
Places dropped
Births vs 10 years ago
0.43×
Fewer babies than then
Share of its own peak
2.8%
Peak was 1968 (1,339)
Years since peak
57
Years
Year-to-year steadiness
Shifting
14.5% average annual change
Best rank ever
#180
1938

Spellings of Sonja

Sonja is not the most common spelling — Donna is, with 50.8% against Sonja's 2.4%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Sonja is used

Across 2016–2025, Sonja was most concentrated in Minnesota — about 1 in 3,448 girls, against 1 in 31,915 across all states with data. It was least common in Texas (1 in 100,000).

129 per 100,000

Most concentrated

  1. 1Minnesota1 in 3,448
  2. 2Washington1 in 14,286
  3. 3Michigan1 in 25,000
  4. 4California1 in 33,333
  5. 5Wisconsin1 in 33,333
  6. 6Virginia1 in 50,000
  7. 7Florida1 in 100,000
  8. 8New York1 in 100,000

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Sonja around the world

Where Sonja ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2020
    #3,899
    in 2020
  • Scotland
    1974–1989
    #576
    in 1989
  • Ireland
    1965–2012
    #907
    in 2012
  • France
    1925–2004
    #5,805
    in 2004
  • Norway
    1880–2025
    #35
    in 2025
  • Canada
    1991–2022
    #2,896
    in 2022
  • South Australia
    1944–2013
    #536
    in 2013

Popularity data from Office for National Statistics, National Records of Scotland, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Norway, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS data under Open Government Licence v3.0. CSO, SSB, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Sonja

People whose public names include Sonja, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Sonja in other languages

Cross-language forms and variants of Sonja. Linked forms have their own page here.

SofiaSohviSoniaSonyaSoňaSonjoSòniaSzonjaSonjelle

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Sonja by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#3,965
Trend vs 5 yrs ago
Down 1,628
Best rank ever
#180
1938
Peak year
1968
1,339 that year
First recorded
1906
Last recorded
2025
All-time count
39,513
Count in 2025
37

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#3,202
1967
Peak year
1973
9 that year
First recorded
1938
Last recorded
1973
All-time count
44
Count in 2025
Under 5

Names similar to Sonja

Matched on shared beginnings and endings, similar length, and comparable popularity.

Names with a curve like Sonja

Not spelling — timing. These names rose, peaked and faded in the same years as Sonja, so they read as being from the same moment even when they look nothing alike.

Sibling names for Sonja

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Sonja