Unisex · #12,230 in 2026

Kao

Current Rank
#12,230
Peak Rank
#1,520 (1981)
Total Babies
467
5-Yr Trend
Stable
👧 Girl peak #4,208 (244 total)
👦 Boy peak #1,520 (467 total)
👦As Boy Name
1980
First Year
2023
Last Year
1981
Peak Year
#1520
Peak Rank
467
Total Count
31
Years Active
👧As Girl Name
1980
First Year
2000
Last Year
1991
Peak Year
#4208
Peak Rank
244
Total Count
20
Years Active

The Story of Kao

As a girl name

Kao first appeared in U.S. Social Security Administration records as a girl name in 1980, with 9 babies given the name that year. The name hit its high-water mark in 1991: 24 births, good for #4,208 nationwide. About 50% of every Kao on record arrived during the 1980s, its defining decade. Kao last appeared in the published SSA data in 2000, with 6 recorded births — it has not charted nationally since. All told, over 244 Americans have carried the name since 1880, from the 1980s to the 2020s.

As a boy name

The earliest SSA record of Kao as a boy name dates back to 1980, when 23 babies received it. 1981 was its biggest year on record, with 40 newborns named Kao — #1,520 in the national rankings. About 52% of every Kao on record arrived during the 1980s, its defining decade. Kao last appeared in the published SSA data in 2023, with 5 recorded births — it has not charted nationally since. All told, over 467 Americans have carried the name since 1880, from the 1980s to the 2020s.

Popularity Over Time

Girls Boys

Popularity by State

ME
WA
MT
ND
MN
WI
MI
NY
VT
NH
MA
OR
ID
SD
IA
IL
IN
OH
PA
NJ
CT
RI
CA
NV
WY
NE
MO
KY
WV
VA
MD
DE
DC
UT
CO
KS
AR
TN
NC
SC
AK
AZ
NM
OK
LA
MS
AL
GA
HI
TX
FL
Top 10
11-50
51-100
101-500
500+
No data

Names that sound like Kao

Phonetically similar names — useful when Kao is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

  • Cow
  • Kow
  • Cao
  • Cau
  • Kau
  • Ccow
  • Ca
  • Ka
  • Caw
  • Kah
  • Kaw
  • Caa

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Kao

What does the name Kao mean?
Kao is a boy's name that has been used in U.S. records since 1980. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.
How popular is Kao in 2026?
In 2026, Kao ranks #12,230 among boys' names in the U.S., with 5 babies given the name that year.
When was Kao most popular?
Kao reached its peak popularity in 1981, ranking #1,520 that year with 40 babies given the name.
In which U.S. states is Kao most popular?
Kao has historically been most popular in Oregon, Minnesota, Washington. Rankings vary year to year, but these states show the strongest concentration of births named Kao.
Is Kao a unisex name?
Yes — Kao is used for both girls and boys in U.S. records, with about 34% of Kaos assigned female and 66% assigned male historically.
What names go well with Kao?
Names that share a similar style or popularity range with Kao include Arnell, Lemont, Anastasios. These pairings are based on rank proximity and naming era in U.S. data.

About the name Kao

Kao is a unisex baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1980 and has accumulated 467 births in the dataset. Kao's peak popularity came in 1981 when it ranked #1,520. Use the chart and map above to compare Kao's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.