Total births
2,949
Boys' name · since 1910
Cosmo
Since 1910, U.S. Social Security records show 2,949 babies named Cosmo, peaking in 2022. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #1693
- among boys today
- 2,949
- born since 1910
- 2020s
- peak decade
- 88%
- more common than other boys
2,949 babies have been named Cosmo since 1910, making it today's #1693 boys' name.
According to the U.S. Social Security Administration, Cosmo has been recorded 2,949 times among boys since 1910, currently ranked #1693 nationally and more common than 88% of boys, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1910 to 2025.
- #1693 among boys today
- 2,949 born since 1910
- 2020s peak decade
- 88% more common than other boys
Data updated Jun 2026
The verdict
Cosmo is currently the #1693 boys' name in America, more common than 88% of boys - 2,949 born since 1910, peaking in the 2020s.
- #1693
- among boys today
- 2,949
- born since 1910
- 2020s
- peak decade
- 88%
- more common than other boys
Cosmo vs. every other boys name in current SSA rankings
#1693
of 14,294 boys in use
More common than 88% of names given to boys today.
2020s
Peak decade
17% of everyone ever named Cosmo was born in this single decade.
2022
Single peak year
99 babies were named Cosmo in 2022 - its busiest year on record.
How Cosmo compares
2,949 Top 17% higher than 83% 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
Cosmo's all-time total is 8x the median boys name, and Liam still leads by a wide margin.
| Metric | Cosmo | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 2,949 | 367 | 358,536 |
| Peak-year births | 99 | 23 | 22,252 |
Cosmo's usage pattern, beyond the headline number
Cosmo splits its recorded history at 1968: 50% of all births land in the more recent half, 50% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1910 (6 births) -- compare that against the 2022 peak of 99 for a sense of just how much the name's popularity has swung.
Cosmo at a glance
Outside the top 1,000Peak year
2022
Current rank
#1,693
Active since
1910
Cosmo popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1910–2025
- Peak year (2022)
- 99
- Annual births at peak, across 116 years of records
Cosmo popularity over time - girls
6 total births recorded since 2022 (Cosmo as girls' name)
Cosmo by decade
Total births in each ten-year window, peak vs trough at a glance
2020s was Cosmo's strongest decade.
510 babies received the name during that ten-year window, about 17% of all-time use.
Cosmo births by decade
Total births in each ten-year window
- 1910s
1910s
254 births
- 1920s
1920s
452 births
- 1930s
1930s
286 births
- 1940s 191
1940s
191 births
- 1950s 191
1950s
191 births
- 1960s 121
1960s
121 births
- 1970s 128
1970s
128 births
- 1980s 108
1980s
108 births
- 1990s 172
1990s
172 births
- 2000s
2000s
254 births
- 2010s
2010s
282 births
- 2020s
2020s
510 births
What this shows Peak: 2020s at 510 births (17% of all-time use).
How Cosmo 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 Cosmo's total volume
Cosmo vs 15 similarly-sized boys names
Cosmo by state
Where Cosmo concentrates geographically, total births since 1910
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 685 | 23.2% |
| #2 | California | | 195 | 6.6% |
| #3 | Massachusetts | | 99 | 3.4% |
| #4 | New Jersey | | 72 | 2.4% |
| #5 | Pennsylvania | | 70 | 2.4% |
| #6 | Texas | | 25 | 0.8% |
| #7 | Florida | | 16 | 0.5% |
| #8 | Washington | | 15 | 0.5% |
New York share of Cosmo's total US births 23.2%
Even split
685 of 2,949 births nationwide. Compared to a flat distribution across 14 reporting states.
Cosmo appears in 14 states. Explore state details →
Frequently Asked Questions
How popular is the name Cosmo? ▼
Cosmo has been given to 2,949 babies in the U.S. since 1910, according to SSA data. Among boys, it ranks #1693 as of the latest data. 99 babies were born in 2022, its single highest year.
When was Cosmo most popular? ▼
Cosmo was most popular in the 2020s decade with 510 total births. The single peak year was 2022.
Where is Cosmo most popular? ▼
The top states for the name Cosmo are New York (685 births), California (195 births), Massachusetts (99 births).
How long has the name Cosmo been used? ▼
The SSA has tracked Cosmo since 1910 -- 116 years through the most recent 2025 data.
What names are similar to Cosmo? ▼
Names with a similar sound or spelling include Cosme, Cosimo, Costa, Costas, and 4 more. These share a common prefix and are also used for boys.
What to do with Cosmo's data
- New York records the most Cosmos (685 births) -- see the full state breakdown if geography matters to your decision. New York 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 Cosmo
Nearby Names Like Cosmo
Names with a similar sound, spelling, or feel to Cosmo
Cosme Boy
#9036 1,373 births
Cosimo Boy
#5083 1,016 births
Costa Boy
#5474 337 births
Costas Boy
#11043 285 births
Cosby Boy
212 births
Compare Cosmo side by side: Cosmo vs Cosme Cosmo vs Cosimo Cosmo vs Costa
Related Names
Names with a similar popularity rank to Cosmo
Arlen #1692
7,345 births · Peak 1934
Rico #1694
9,926 births · Peak 1991
Giuseppe #1691
6,365 births · Peak 1975
Tyrell #1695
16,070 births · Peak 1992
Woodrow #1690
39,107 births · Peak 1918
Kainoa #1696
2,656 births · Peak 2016
Karl #1689
100,836 births · Peak 1960
Eder #1697
3,284 births · Peak 2015
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, 1910–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Cosmo: #1693 Boys' Name - 2,949 Births, Peak 2022." NameAlmanac. Accessed via https://namealmanac.com/name/cosmo. 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 Cosmo 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.