Total births
7,421
Unisex name · since 1971
Semaj
Semaj has 7,421 recorded births since 1971 in federal Social Security data, most heavily in 2011 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #1064
- among boys today
- 7,421
- born since 1971
- 2000s
- peak decade
- 93%
- more common than other boys
Yes -- Semaj is the #1064 most popular unisex name in the U.S. today, with 7,421 recorded since 1971.
According to the U.S. Social Security Administration, Semaj has been recorded 7,421 times among boys since 1971, currently ranked #1064 nationally and more common than 93% of boys, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1971 to 2025.
- #1064 among boys today
- 7,421 born since 1971
- 2000s peak decade
- 93% more common than other boys
Data updated Jun 2026
The verdict
Semaj is currently the #1064 unisex name in America, more common than 93% of boys - 7,421 born since 1971, peaking in the 2000s.
- #1064
- among boys today
- 7,421
- born since 1971
- 2000s
- peak decade
- 93%
- more common than other boys
Semaj vs. every other boys name in current SSA rankings
#1064
of 14,294 boys in use
More common than 93% of names given to boys today.
2000s
Peak decade
37% of everyone ever named Semaj was born in this single decade.
2011
Single peak year
374 babies were named Semaj in 2011 - its busiest year on record.
How Semaj compares
7,421 Top 10% higher than 90% 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
Semaj's all-time total is 20x the median boys name, and Liam still leads by a wide margin.
| Metric | Semaj | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 7,421 | 367 | 358,536 |
| Peak-year births | 374 | 23 | 22,252 |
Semaj's usage pattern, beyond the headline number
Divide Semaj's SSA record in two at 1999 and the more recent half accounts for 88% of all births, the earlier half the remaining 12%, consistent with a name still gaining ground rather than fading. Its calmest year was 1971, with only 5 births recorded -- set against the 2011 peak of 374, that's the full swing in one name's fortunes.
Semaj at a glance
Outside the top 1,000Peak year
2011
Current rank
#1,064
Active since
1971
Semaj popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1971–2025
- Peak year (2011)
- 374
- Annual births at peak, across 55 years of records
Semaj popularity over time - girls
2,038 total births recorded since 1974 (Semaj as girls' name)
Semaj by decade
Total births in each ten-year window, peak vs trough at a glance
2000s was Semaj's strongest decade.
2,726 babies received the name during that ten-year window, about 37% of all-time use.
Semaj births by decade
Total births in each ten-year window
- 1970s 81
1970s
81 births
- 1980s 151
1980s
151 births
- 1990s 835
1990s
835 births
- 2000s
2000s
2,726 births
- 2010s
2010s
2,450 births
- 2020s
2020s
1,178 births
What this shows Peak: 2000s at 2,726 births (37% of all-time use).
How Semaj 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 Semaj's total volume
Semaj vs 15 similarly-sized boys names
Semaj by state
Where Semaj concentrates geographically, total births since 1971
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 760 | 10.2% |
| #2 | Pennsylvania | | 748 | 10.1% |
| #3 | Texas | | 484 | 6.5% |
| #4 | North Carolina | | 442 | 6.0% |
| #5 | Illinois | | 433 | 5.8% |
| #6 | Florida | | 401 | 5.4% |
| #7 | Georgia | | 358 | 4.8% |
| #8 | Louisiana | | 310 | 4.2% |
California share of Semaj's total US births 10.2%
Even split
760 of 7,421 births nationwide. Compared to a flat distribution across 29 reporting states.
Semaj appears in 29 states. Explore state details →
Frequently Asked Questions
How popular is the name Semaj? ▼
Semaj has been given to 7,421 babies in the U.S. since 1971, according to SSA data. Among boys, it ranks #1064 as of the latest data. 374 babies were born in 2011, its single highest year.
When was Semaj most popular? ▼
Semaj was most popular in the 2000s decade with 2,726 total births. The single peak year was 2011.
Where is Semaj most popular? ▼
The top states for the name Semaj are California (760 births), Pennsylvania (748 births), Texas (484 births).
Is Semaj a unisex name? ▼
Yes, Semaj is used for both boys and girls. As a boy's name it has 7,421 births, and as a girl's name it has 2,038 births.
How long has the name Semaj been used? ▼
Semaj has been recorded in Social Security data since 1971, spanning 55 years of data through 2025.
What names are similar to Semaj? ▼
Names with a similar sound or spelling include Semir, Semisi, Sem, Semaje, and 4 more. These share a common prefix and are also used for boys.
What to do with Semaj's data
- Semaj's usage has stayed within range of its 2000s decade-level peak (2,726 total births) through the 2020s (1,178) -- a comparatively stable name, not a fading trend.
- California records the most Semajs (760 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 Semaj
Nearby Names Like Semaj
Names with a similar sound, spelling, or feel to Semaj
Semir Boy
#7498 278 births
Semisi Boy
#8546 216 births
Sem Boy
#10187 215 births
Semaje Boy
#8021 142 births
Semajay Boy
63 births
Compare Semaj side by side: Semaj vs Semir Semaj vs Semisi Semaj vs Sem
Related Names
Names with a similar popularity rank to Semaj
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, 1971–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Semaj: #1064 Unisex Name - 7,421 Births, Peak 2011." NameAlmanac. Accessed via https://namealmanac.com/name/semaj. 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 Semaj 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.