Unisex name · since 1985
Ko
Since 1985, U.S. Social Security records show 75 babies named Ko, peaking in 2016. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 75
- total births
- 1985–2021
- years on record
- 2010s
- peak decade
- 37%
- born in that decade
Ko sits outside today's top ranks for boys, with 75 recorded since 1985.
Social Security Administration records show Ko recorded 75 times among boys since 1985, though it doesn't currently rank among the most-used boys names, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1985 to 2021.
- 75 total births
- 1985–2021 years on record
- 2010s peak decade
- 37% born in that decade
Data updated Jul 2026
Ko's 75 recorded births place it above 57% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Ko's usage pattern, beyond the headline number
Splitting Ko's full recorded timeline at 2010, 55% of its total births fall in the more recent half of the record versus 45% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1985, with just 5 recorded births -- worth weighing against the 2016 peak of 8 to see the full range of the name's swing in popularity.
Ko popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1985–2021
- Peak year (2016)
- 8
- Annual births at peak, across 37 years of records
Ko popularity over time - girls
10 total births recorded since 1988 (Ko as girls' name)
Ko by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Ko's strongest decade.
28 babies received the name during that ten-year window, about 37% of all-time use.
Ko births by decade
Total births in each ten-year window
- 1980s 10
1980s
10 births
- 1990s
1990s
19 births
- 2000s 5
2000s
5 births
- 2010s
2010s
28 births
- 2020s
2020s
13 births
What this shows Peak: 2010s at 28 births (37% of all-time use).
Frequently Asked Questions
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What to do with Ko's data
- Ko's usage has stayed within range of its 2010s decade-level peak (28 total births) through the 2020s (13) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Ko
Nearby Names Like Ko
Names with a similar sound, spelling, or feel to Ko
Compare Ko side by side: Ko vs Kody Ko vs Kobe Ko vs Kolton
Related Names
Names with a similar number of total births
Data Sources
Data as of July 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, 1985–2021 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac. "Ko: Baby Name Since 1985 - 75 Births, Peak 2016." NameAlmanac. Accessed via https://namealmanac.com/name/ko. Licensed CC BY-SA 4.0.
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 Ko 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 July 2026.