Unisex name · since 1946

Ki

Since 1946, U.S. Social Security records show 426 babies named Ki, peaking in 2002. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#8,689 of 45,481
all-time among boys
426
born since 1946
2000s
peak decade

Ki sits outside today's top ranks for boys, with 426 recorded since 1946.

Social Security Administration records show Ki recorded 426 times among boys since 1946, though it doesn't currently rank among the most-used boys names, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1946 to 2022.

  • #8,689 of 45,481 all-time among boys
  • 426 born since 1946
  • 2000s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Ki ranks #8,689 of 45,481 boys' names by all-time recorded births (highest first). 426 born since 1946, peaking in the 2000s.

#8,689 of 45,481
all-time among boys
426
born since 1946
2000s
peak decade
Above the archive median
All-time archive position

Ki's 426 recorded births place it above 80.88% of the 45,481 boys names in the full SSA archive.

1 jurisdictions
State-record footprint

The state file records this name in 1 jurisdictions, led by Kansas.

Ki's usage pattern, beyond the headline number

Splitting Ki's full recorded timeline at 1997, 60% of its total births fall in the more recent half of the record versus 40% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1946, with just 5 recorded births -- worth weighing against the 2002 peak of 20 to see the full range of the name's swing in popularity.

Ki popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1946–2022

Last recorded 2022
Peak year (2002)
20
Annual births at peak, across 77 years of records
0510152025 194619661982199119992006201320202022 7

Ki popularity over time - girls

109 total births recorded since 1957 (Ki as girls' name)

Unisex variant - 109 births
456789 1957198119922000200520112023 5

Ki by decade

2000s is the heaviest window (114 births, 27% of the file).

2000s was Ki's strongest decade.

114 babies received the name during that ten-year window, about 27% of all-time use.

Ki births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 114 births (27% of all-time use).

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

Ki by state

Where Ki concentrates geographically, total births since 1946

Geographically diffuse
Top 1 states by recorded births for the name Ki
Rank State Visual share Births Share of total
#1 Kansas
6 1.4%
Kansas share of Ki's total US births 1.4%

6 of 426 births nationwide.

Frequently Asked Questions

How popular is the name Ki?
Ki has been given to 426 babies in the U.S. since 1946, according to SSA data. Its archive ordinal is #8,689 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2022. 20 babies were born in 2002, its single highest year.
Where does Ki sit in the SSA name archive?
According to the U.S. Social Security Administration, Ki ranks #8,689 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Ki most popular?
Ki was most popular in the 2000s decade with 114 total births. The single peak year was 2002.
Where is Ki most popular?
The top states for the name Ki are Kansas (6 births).
Is Ki a unisex name?
Yes, Ki is used for both boys and girls. As a boy's name it has 426 births, and as a girl's name it has 109 births.
How long has the name Ki been used?
Records for Ki go back to 1946, giving 77 years of history through 2022.
What names are similar to Ki?
Names with a similar sound or spelling include Kirk, Kingston, King, Kim, and 4 more. These share a common prefix and are also used for boys.

What to do with Ki's data

  • Ki's decade-level peak was the 2000s (114 total births); usage has since declined to 20 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • Kansas records the most Kis (6 births) -- see the full state breakdown if geography matters to your decision. Kansas names

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

Keep exploring Ki

Nearby Names Like Ki

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

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Ki: 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, 1946–2022 (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 Ki 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.