Total births
658
Boys' name · since 1952
Dex
658 babies named Dex in U.S. Social Security records since 1952, with the highest year being 2016. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #3809
- among boys today
- 658
- born since 1952
- 2010s
- peak decade
- 73%
- more common than other boys
Yes -- Dex is the #3809 most popular boys' name in the U.S. today, with 658 recorded since 1952.
Dex has 658 recorded births among boys since 1952, per the U.S. Social Security Administration, ranked #3809 as of the latest data, more common than 73% of boys, busiest in the 2010s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1952 to 2025.
- #3809 among boys today
- 658 born since 1952
- 2010s peak decade
- 73% more common than other boys
Data updated Jun 2026
The verdict
Dex is currently the #3809 boys' name in America, more common than 73% of boys - 658 born since 1952, peaking in the 2010s.
- #3809
- among boys today
- 658
- born since 1952
- 2010s
- peak decade
- 73%
- more common than other boys
Dex vs. every other boys name in current SSA rankings
#3809
of 14,294 boys in use
More common than 73% of names given to boys today.
2010s
Peak decade
41% of everyone ever named Dex was born in this single decade.
2016
Single peak year
43 babies were named Dex in 2016 - its busiest year on record.
How Dex compares
658 Top 38% higher than 62% 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
Dex's all-time total is 79% above the median boys name, and Liam still leads by a wide margin.
| Metric | Dex | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 658 | 367 | 358,536 |
| Peak-year births | 43 | 23 | 22,252 |
Dex's usage pattern, beyond the headline number
Dex splits its recorded history at 2006: 73% of all births land in the more recent half, 27% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1952 (5 births) -- compare that against the 2016 peak of 43 for a sense of just how much the name's popularity has swung.
Dex at a glance
Outside the top 1,000Peak year
2016
Current rank
#3,809
Active since
1952
Dex popularity over time
Annual U.S. births registered with the Social Security Administration · 1952–2025
- Peak year (2016)
- 43
- Annual births at peak, across 74 years of records
Dex by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Dex's strongest decade.
272 babies received the name during that ten-year window, about 41% of all-time use.
Dex births by decade
Total births in each ten-year window
- 1950s 5
1950s
5 births
- 1980s 79
1980s
79 births
- 1990s 74
1990s
74 births
- 2000s 46
2000s
46 births
- 2010s
2010s
272 births
- 2020s
2020s
182 births
What this shows Peak: 2010s at 272 births (41% of all-time use).
How Dex 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 Dex's total volume
Dex vs 15 similarly-sized boys names
Dex by state
Where Dex concentrates geographically, total births since 1952
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 20 | 3.0% |
| #2 | Illinois | | 5 | 0.8% |
| #3 | Texas | | 5 | 0.8% |
California share of Dex's total US births 3.0%
Even split
20 of 658 births nationwide. Compared to a flat distribution across 3 reporting states.
Frequently Asked Questions
How popular is the name Dex? ▼
658 babies have been named Dex since 1952. It currently ranks #3809 among boys. The peak year was 2016 with 43 births.
When was Dex most popular? ▼
Dex was most popular in the 2010s decade with 272 total births. The single peak year was 2016.
Where is Dex most popular? ▼
The top states for the name Dex are California (20 births), Illinois (5 births), Texas (5 births).
How long has the name Dex been used? ▼
Records for Dex go back to 1952, giving 74 years of history through 2025.
What names are similar to Dex? ▼
Names with a similar sound or spelling include Dexter, Dexton, Dextin, Dextyn, and 2 more. These share a common prefix and are also used for boys.
What to do with Dex's data
- Dex's usage has stayed within range of its 2010s decade-level peak (272 total births) through the 2020s (182) -- a comparatively stable name, not a fading trend.
- California records the most Dexs (20 births) -- see the full state breakdown if geography matters to your decision. California 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 Dex
Nearby Names Like Dex
Names with a similar sound, spelling, or feel to Dex
Dexter Boy
#722 36,582 births
Dexton Boy
#4023 514 births
Dextin Boy
62 births
Dextyn Boy
#13536 40 births
Dexten Boy
35 births
Compare Dex side by side: Dex vs Dexter Dex vs Dexton Dex vs Dextin
Related Names
Names with a similar popularity rank to Dex
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, 1952–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Dex: #3809 Boys' Name - 658 Births, Peak 2016." NameAlmanac. Accessed via https://namealmanac.com/name/dex. 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 Dex 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.