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Chiyoko

Girls' name

Thousand + generation

Chiyoko has been given to 544 babies in the U.S. since 1909. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 1923, with 41 recorded.

Babies named Chiyoko, 1937

1 in 426,000

Chiyoko over time, 1880–2025

Girls
020406018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Chiyoko: meaning, origin, and history

Thousand + generation

Japanese

What Chiyoko means

Chiyoko means “thousand + generation”.

Documented naming usage and pronunciation

Chiyoko is used in Japanese.

Another recorded pronunciation is /t͡ɕi.jo̞.ko̞/ for Chiyoko.

Origin, language, and formation

Chiyoko is used in English and Tagalog. Its origins include Japanese.

Chiyoko comes through Japanese ちよこ.

Pronunciation and spelling

In Tagalog, Chiyoko is pronounced /t͡ʃiˈoko/.

American usage and historical context

In the United States, 544 girls were recorded with the name Chiyoko between 1909 and 1937. Its highest annual count was 41 in 1923; its best national rank was #1,163 in 1917.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes 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.

Wiktionary material is available under CC BY-SA 4.0.

How common is Chiyoko?

Chiyoko had fewer than 5 recorded uses in 2025, so these figures use 1937, the last year it was published.

Among all babies, 1937
1 in 426,000
5 of 2,130,660 births
Among girls only
1 in 213,000
<0.01% of girls
Rank, 1937
Unranked
Fewer than 5 uses
Coin-flip room size
295,373 kids
Even odds of a second one

Where Chiyoko 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 1937 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 295,373 children born in 1937 and it's an even bet that one of them is another Chiyoko. In a class of 30 the chance is Under 1%.

When Chiyokos were born

Half of everyone ever recorded as Chiyoko was born before 1921 — so the typical Chiyoko is around 104 today.

Median birth year
1921
About 104 years old
Biggest decade
1920s
52.0% of all use
Born in the last 25 years
94.1%
A modern name
Recorded since 1950
0
People you could plausibly meet
Choose a decade

1920s — 52.0% of all recorded uses (283).

Is Chiyoko 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
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 1923 (41)
Years since peak
102
Years
Year-to-year steadiness
Volatile
33.5% average annual change
Best rank ever
#1,163
1917

Spellings of Chiyoko

Chiyoko is not the most common spelling — Kiyoko is, with 43.9% against Chiyoko's 25.9%.

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 Chiyoko is used

Across 1910–2025, Chiyoko was most concentrated in Hawaii — about 1 in 1,538 girls, against 1 in 41,253 across all states with data. It was least common in Washington (1 in —).

065 per 100,000

Most concentrated

  1. 1Hawaii1 in 1,538
  2. 2California1 in 100,000
  3. 3Washington1 in —

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. Chiyoko has too little recent state data to map, so this covers all years from 1910.

Chiyoko by the numbers

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

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#1,163
1917
Peak year
1923
41 that year
First recorded
1909
Last recorded
1937
All-time count
544
Count in 2025
Under 5

Names similar to Chiyoko

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

ChideraChizaraChisomChiamakaChizaramChiomaChineloChiffonChiantiChianneChimereChinenyeChinitaChinyereChimeneMiyokoChimamandaChicagoChizukoChidinmaKiyokoChikaimaChiekoChiyeko

Sibling names for Chiyoko

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 Chiyoko

Top names of 1923, Chiyoko's peak yearThe 1920s in fullOther names that peaked in 1917Girls' names starting with C