Chi
Feminine · “personal god or spirit (Igbo)”
Chi is given to both — 763 girls and 563 boys since 1880. See Chi as a boy nameSee other names given to both
In Igbo, chi is your personal spiritual being, the part of you that is with God, and it opens hundreds of names: Chidera, Chinedu, Chiamaka, Chioma. Two letters carry one of the central ideas of a whole religious system.
How old is the name Chi?
Chi first appears in US birth records in 1970 — 55 years ago. The typical Chi alive today was born around 1991, making them about 34 years old. About 700 people named Chi are estimated to be alive in the US today.
When was the name Chi most popular?
Chi peaked in 1973, reaching #2506 nationally. Today it ranks #6546, 4,040 places below that high. See the whole 1973 chart.
Lists built from the same records:
Where it comes from
From chi to Chi
The story of Chi
Igbo naming is unusually explicit: a very high proportion of names are complete statements about God, and chi is the element that names him. Chinua Achebe wrote at length about the concept, which does not translate neatly into English; a person's chi is individual, so that no two people share one, and the proverb holds that when a man says yes his chi says yes also. The two-letter form is used as a name and as a short form of the longer compounds. In United States records Chi's best year is 1973, and the row almost certainly holds Igbo, Chinese and Vietnamese bearers together with no way to separate them.
Meaningscholars disagree
personal god or spirit (Igbo), or a Greek letter
Igbo chi is a personal spiritual force or guardian, and by extension God; it is the first element of a very large family of Igbo names. Separately, chi is the twenty-second letter of the Greek alphabet; Chinese qi, formerly romanised chi, is vital energy; and Vietnamese Chi is a woman's name meaning a branch. The English spelling cannot distinguish them.
How the name formed
- chi
- Chi
Related forms: Chi · Chi · Qi
Pronouncing Chi
CHEE
One syllable. Igbo is a tonal language and the tone is not written here; Vietnamese likewise. English speakers say CHEE or KY depending on whether they are thinking of the Igbo name or the Greek letter.
Nicknames for Chi
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
- 1970
- Most girls named
- 202332 — the highest on record
- Peak rank
- #2506reached in 1973
- Change vs 2024
- −5.6%17 in 2025, from 18
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.
Chi in other languages
The same name elsewhere
- Chi in Igbo — same name
- Chi in Vietnamese — related form
- Qi in Chinese — related form
Strongest US states over the last decade: California, Florida.
Chis among us
people named Chi are estimated to be alive in the US today
About 1 girl in 94,545 born in 2025 was named Chi
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Chi
- #6546
- Chi on the 2025 chart
- #938
- counting every spelling
The SSA counts spellings, not names. Chi went to 17 girls in 2025, but Chy is the same name said out loud. Together the 2 spellings went to 22, which makes it the 938th most-given girls’ name of the year — 5,608 places above the chart.
- Chi17
- Chy5
About 1 girl in 73,058 born in 2025 was given one of these spellings — against 1 in 94,545 for Chi itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Rolinda test
Every popular name lives one long story — a climb, a peak, a slow settling back. Chi's later chapters haven't been written yet, so we borrowed them: Rolinda climbed just as high around 1958, and its whole arc is on record. Line the two peaks up, and Rolinda's path sketches the road Chi is walking now.
Chi sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Chi beside its neighbors
The names ranked closest to Chi in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- Two letters, one syllable, and no spelling difficulty anywhere.
- A genuinely significant concept in Igbo thought behind it.
- Opens a large family of longer names it can be extended into.
- Several unrelated traditions share the spelling.
- English speakers may say KY, following the Greek letter.
- It is short enough that people will assume it abbreviates something.
Nobody names a baby alone.
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What they receive
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Chi
Feminine · #6546 in the U.S.
Frequently asked
- How many Chis are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 700 people named Chi are estimated to be alive in the US today.
- How do you spell Chi?
- Chi is the most-used spelling in US records — 17 of the 22 babies given the name in 2025. The others recorded are Chy.
- How popular is the name Chi in 2025?
- Chi ranks #6546 among US girl names in 2025, with 17 babies given the name.
- How rare is the name Chi?
- About 1 in every 94,545 US girls born in 2025 was named Chi — 17 in all.
- Will my child share the name Chi with classmates?
- Chi will almost certainly be the only one in school.
Ranked beside Chi
Names sitting at a similar level of popularity right now.
Roseann#6546 · Solveig#6546 · Elona#6546 · Rosette#6546 · Bradie#6546 · Rida#6546 · Gwendalyn#6546 · Lorene#6546
Looking for what else is popular rather than what resembles Chi? See the current top 100.
Choosing between Chi and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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