Sonji
Feminine
Sonji entered American records in a small way and then had two years of unusual visibility, because the woman who carried it married the most famous man in the world and then stopped being married to him in public.
How old is the name Sonji?
Sonji first appears in US birth records in 1951 — 74 years ago. The typical Sonji alive today was born around 1967, making them about 58 years old. About 800 people named Sonji are estimated to be alive in the US today.
When was the name Sonji most popular?
Sonji peaked in 1966, reaching #639 nationally. See the whole 1966 chart.
Lists built from the same records:
Where it comes from
Origin, sound and short forms
Our story of Sonji
The ji at the end is worth explaining, because it is one of the most misunderstood syllables in the world. In Hindi, Urdu, Punjabi and several other languages it is a particle of respect added to a name or a title — Gandhi-ji, mata-ji, a form of politeness rather than part of the name. Foreigners have been mistaking it for a name ending for two centuries. On this name it is doing something else entirely: an American spelling reaching for a letter that looks unusual at the end of a word, which j certainly does, since almost no English word ends in it. The name got its visibility elsewhere. A young woman carrying it married a heavyweight champion at the peak of his fame, and the marriage and its end were covered relentlessly for the two years they lasted.
Meaningnot established
Not established
No source language. The ending resembles the Indian suffix ji, which is a mark of respect attached to names and not a name ending at all, and the resemblance is a coincidence. The name appears to have been made in America from the sound.
Pronouncing Sonji
SAHN-jee
Two syllables, stress at the front. The j is soft, as in jam, not as in the German or Spanish versions of the letter.
Nicknames for Sonji
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1951
- Most girls named
- 1966225 — the highest on record
- Peak rank
- #639reached in 1966
- Change vs 1988
- +20.0%6 in 1991, from 5
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Sonjis among us
people named Sonji are estimated to be alive in the US today
Estimated from SSA birth records and published actuarial life tables. Method
Is it right for you
Questions parents actually ask
Fashion outlook
Sonji sits outside the current charts, and that is its own kind of answer: naming cycles can only date the names they carried up. A name this rare has no decade stamped on it — it cannot go out of fashion, because it was never in.
Based on 146 years of naming cycles. How we read them
The trade-off
- It is short, distinctive and easy for anyone to say.
- The final letter is unusual enough to make the name memorable on paper.
- Nothing in the spelling is ambiguous.
- It will be heard as Sonya or Sandy and written as both.
- Speakers of South Asian languages will read the ending as a mark of respect rather than part of the name.
- There is no meaning to hand a child, only the history of the years it was visible.
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Sonji
Feminine
Frequently asked
- How many Sonjis are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 800 people named Sonji are estimated to be alive in the US today.
- How popular is the name Sonji in 2025?
- Sonji is rarely given in the US today — it does not rank in the top 2000 girl names.
- Will my child share the name Sonji with classmates?
- Sonji will almost certainly be the only one in school.
More S names
The most-given names starting with S, all years combined.
Susan#1085 · Sarah#90 · Sandra#1207 · Stephanie#557 · Sharon#1250 · Shirley#1581 · Samantha#151 · Sophia#5
Looking for what else is popular rather than what resembles Sonji? See the current top 100.
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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