Unisex name · since 1980

Kao

475 babies named Kao in U.S. Social Security records since 1980, with the highest year being 1981. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#8,147 of 45,481
all-time among boys
#9,138 of 13,930
2025 SSA year
475
born since 1980
1980s
peak decade

Yes -- Kao is the #9138 most popular unisex name in the U.S. today, with 475 recorded since 1980.

Kao has 475 recorded births among boys since 1980, per the U.S. Social Security Administration, ranked #9138 as of the latest data, more common than 34% of boys, busiest in the 1980s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1980 to 2025.

  • #8,147 of 45,481 all-time among boys
  • #9,138 of 13,930 2025 SSA year
  • 475 born since 1980
  • 1980s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Kao ranks #8,147 of 45,481 boys' names by all-time recorded births (highest first) and #9,138 of 13,930 among boys' names in 2025. 475 born since 1980, peaking in the 1980s.

#8,147 of 45,481
all-time among boys
#9,138 of 13,930
2025 SSA year
475
born since 1980
1980s
peak decade
0%100%Median name50%34.4%
Kao vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Kao's 475 recorded births place it above 82.08% of the 45,481 boys names in the full SSA archive.

4 jurisdictions
State-record footprint

The state file records this name in 4 jurisdictions, led by California.

How Kao compares

475 Top 45% higher than 55% of 13,930 names currently given to boys

Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Kao's all-time total is 29% above the median boys name, and Liam still leads by a wide margin.

Metric Kao Median boys name (Takari) #1 boys name (Liam)
All-time total births 475 369 358,536
Peak-year births 40 34 22,252

Kao's usage pattern, beyond the headline number

Divide Kao's SSA record in two at 1996 and the more recent half accounts for 24% of all births, the earlier half the remaining 76%, consistent with a name more common in the past than in recent years. Its calmest year was 2004, with only 5 births recorded -- set against the 1981 peak of 40, that's the full swing in one name's fortunes.

Kao popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1980–2025

Outside the top 1,000
Peak year (1981)
40
Annual births at peak, across 46 years of records
01020304050 198019841988199219962006201520192025 8

Kao popularity over time - girls

244 total births recorded since 1980 (Kao as girls' name)

Unisex variant - 244 births
0510152025 19801983198619891992199519982000 6

Kao by decade

1980s is the heaviest window (242 births, 51% of the file).

1980s was Kao's strongest decade.

242 babies received the name during that ten-year window, about 51% of all-time use.

Kao births by decade

Total births in each ten-year window

births

What this shows Peak: 1980s at 242 births (51% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Kao by state

Where Kao concentrates geographically, total births since 1980

Regionally concentrated
Top 4 states by recorded births for the name Kao
Rank State Visual share Births Share of total
#1 California
213 44.8%
#2 Minnesota
17 3.6%
#3 Oregon
14 2.9%
#4 Washington
12 2.5%
California share of Kao's total US births 44.8%
Even split

213 of 475 births nationwide. Compared to a flat distribution across 4 reporting states.

Frequently Asked Questions

How popular is the name Kao?
Since 1980, Social Security records show 475 babies named Kao. Across the full SSA archive it ranks #8,147 of 45,481 boys' names by total births. In 2025, it holds #9,138 of 13,930 among boys. Its busiest year on record was 1981, with 40 births.
Where does Kao sit in the SSA name archive?
According to the U.S. Social Security Administration, Kao ranks #8,147 of 45,481 boys' names by all-time recorded births (highest first) and #9,138 of 13,930 among boys' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Kao most popular?
Kao was most popular in the 1980s decade with 242 total births. The single peak year was 1981.
Where is Kao most popular?
The top states for the name Kao are California (213 births), Minnesota (17 births), Oregon (14 births).
Is Kao a unisex name?
Yes, Kao is used for both boys and girls. As a boy's name it has 475 births, and as a girl's name it has 244 births.
How long has the name Kao been used?
The SSA has tracked Kao since 1980 -- 46 years through the most recent 2025 data.
What names are similar to Kao?
Names with a similar sound or spelling include Kaoru, Kaos, Kaori, Kaon, and 1 more. These share a common prefix and are also used for boys.

What to do with Kao's data

  • Kao's decade-level peak was the 1980s (242 total births); usage has since declined to 18 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Kaos (213 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Kao

Nearby Names Like Kao

Names with a similar sound, spelling, or feel to Kao

Names with a similar popularity rank to Kao

Nationwide names with similar peak year or record span

Two nationwide peer axes for Kao: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1980–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kao draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.