Total births
945
Boys' name · since 1970
Koy
Since 1970, U.S. Social Security records show 945 babies named Koy, peaking in 1997. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #3470
- among boys today
- 945
- born since 1970
- 2000s
- peak decade
- 76%
- more common than other boys
Yes -- Koy is the #3470 most popular boys' name in the U.S. today, with 945 recorded since 1970.
Koy has 945 recorded births among boys since 1970, per the U.S. Social Security Administration, ranked #3470 as of the latest data, more common than 76% of boys, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1970 to 2025.
- #3470 among boys today
- 945 born since 1970
- 2000s peak decade
- 76% more common than other boys
Data updated Jun 2026
The verdict
Koy is currently the #3470 boys' name in America, more common than 76% of boys - 945 born since 1970, peaking in the 2000s.
- #3470
- among boys today
- 945
- born since 1970
- 2000s
- peak decade
- 76%
- more common than other boys
Koy vs. every other boys name in current SSA rankings
#3470
of 14,294 boys in use
More common than 76% of names given to boys today.
2000s
Peak decade
29% of everyone ever named Koy was born in this single decade.
1997
Single peak year
46 babies were named Koy in 1997 - its busiest year on record.
How Koy compares
945 Top 32% higher than 68% of 14,294 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
Koy's all-time total is 157% above the median boys name, and Liam still leads by a wide margin.
| Metric | Koy | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 945 | 367 | 358,536 |
| Peak-year births | 46 | 23 | 22,252 |
Koy's usage pattern, beyond the headline number
Divide Koy's SSA record in two at 2002 and the more recent half accounts for 69% of all births, the earlier half the remaining 31%, consistent with a name still gaining ground rather than fading. Its calmest year was 1971, with only 5 births recorded -- set against the 1997 peak of 46, that's the full swing in one name's fortunes.
Koy at a glance
Outside the top 1,000Peak year
1997
Current rank
#3,470
Active since
1970
Koy popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1970–2025
- Peak year (1997)
- 46
- Annual births at peak, across 56 years of records
Koy popularity over time - girls
34 total births recorded since 1981 (Koy as girls' name)
Koy by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Koy's strongest decade.
274 babies received the name during that ten-year window, about 29% of all-time use.
Koy births by decade
Total births in each ten-year window
- 1970s 49
1970s
49 births
- 1980s 19
1980s
19 births
- 1990s
1990s
183 births
- 2000s
2000s
274 births
- 2010s
2010s
273 births
- 2020s
2020s
147 births
What this shows Peak: 2000s at 274 births (29% of all-time use).
How Koy compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Koy's total volume
Koy vs 15 similarly-sized boys names
Koy by state
Where Koy concentrates geographically, total births since 1970
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 65 | 6.9% |
| #2 | Utah | | 17 | 1.8% |
| #3 | Louisiana | | 12 | 1.3% |
| #4 | Iowa | | 5 | 0.5% |
| #5 | Idaho | | 5 | 0.5% |
| #6 | South Dakota | | 5 | 0.5% |
Texas share of Koy's total US births 6.9%
Even split
65 of 945 births nationwide. Compared to a flat distribution across 6 reporting states.
Frequently Asked Questions
How popular is the name Koy? ▼
945 babies have been named Koy since 1970. It currently ranks #3470 among boys. The peak year was 1997 with 46 births.
When was Koy most popular? ▼
Koy was most popular in the 2000s decade with 274 total births. The single peak year was 1997.
Where is Koy most popular? ▼
The top states for the name Koy are Texas (65 births), Utah (17 births), Louisiana (12 births).
How long has the name Koy been used? ▼
The SSA has tracked Koy since 1970 -- 56 years through the most recent 2025 data.
What names are similar to Koy? ▼
Names with a similar sound or spelling include Koye. These share a common prefix and are also used for boys.
What to do with Koy's data
- Koy's usage has stayed within range of its 2000s decade-level peak (274 total births) through the 2020s (147) -- a comparatively stable name, not a fading trend.
- Texas records the most Koys (65 births) -- see the full state breakdown if geography matters to your decision. Texas names
- 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 Koy
Nearby Names Like Koy
Names with a similar sound, spelling, or feel to Koy
Compare Koy side by side: Koy vs Koye
Related Names
Names with a similar popularity rank to Koy
Data Sources
Data as of June 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, 1970–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Koy: #3470 Boys' Name - 945 Births, Peak 1997." NameAlmanac. Accessed via https://namealmanac.com/name/koy. 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 Koy 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 June 2026.