Unisex name ★ peaked 2009

Semaj

Meaning A male given name originating as a coinage Gender Unisex · 22% girls Rank 2025 #1,027 Trend ↑ Rising 31%

A male given name originating as a coinage.

Rank 2025
#1,027
among boys · ↑39 vs 2024
Babies in 2025
235
named Semaj · +5% vs 2024
How common
1 in 7,871
boys born in 2025
Peak year
2009
495 babies
All-time total
9,459
#1,426 all-time among boys
First recorded
1971
in Social Security records

Semaj popularity over time

9,459 babies have been named Semaj since 1971, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.060.130.190.2518801900192019401960198020002020BoysGirls
BoysGirls

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Girls Boys Total Per year Change Best rank
1880s – – – – – –
1890s – – – – – –
1900s – – – – – –
1910s – – – – – –
1920s – – – – – –
1930s – – – – – –
1940s – – – – – –
1950s – – – – – –
1960s – – – – – –
1970s 10 81 91 9 – #2,929
1980s 38 151 189 19 +108% #1,731
1990s 257 835 1,092 109 +478% #939
2000s 894 2,726 3,620 362 +232% #672
2010s 670 2,450 3,120 312 -14% #627
2020s (to 2025) 169 1,178 1,347 225 -28% #908

Where Semaj is heading

A five-year projection from the recent trend in births per 1,000 boys (damped so it flattens over time), converted to babies at today's birth totals. The implied rank places that projection in the 2025 field. A projection, not a promise: real trends bend.

Year Projected babies Per 1,000 boys Implied rank
2026 225 0.13 outside top 500
2027 232 0.14 outside top 500
2028 238 0.14 outside top 500
2029 243 0.14 outside top 500
2030 248 0.15 outside top 500

Where Semaj is most popular

Boys named Semaj per 1,000 boys born in each state, 2021–2025. National average: 0.117 per 1,000. Strongest in Louisiana, Mississippi, and South Carolina.

Vs national average
well below below near national above well above no data

All 50 states and DC, sorted by rate. Counts are boys named Semaj born 2021–2025; the per-1,000 rate makes states of different sizes comparable, and the last column shows each state against the national average.

State Boys 2021–2025 Per 1,000 vs national
Louisiana 44 0.430 +268%
Mississippi 24 0.422 +262%
South Carolina 39 0.377 +223%
Georgia 92 0.363 +211%
Pennsylvania 64 0.241 +106%
North Carolina 55 0.215 +84%
Michigan 41 0.200 +71%
Florida 93 0.196 +68%
Virginia 32 0.169 +44%
Ohio 39 0.147 +26%
Alabama 16 0.146 +25%
Missouri 16 0.115 ≈ national
New Jersey 23 0.114 ≈ national
Indiana 16 0.100 -15%
Texas 87 0.099 -15%
New York 39 0.090 -23%
Maryland 8 0.067 -43%
Kentucky 6 0.060 -49%
Illinois 14 0.055 -53%
Wisconsin 6 0.051 -57%
California 39 0.043 -63%
Tennessee 5 0.028 -76%
Alaska – – –
Arkansas – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Kansas – – –
Massachusetts – – –
Maine – – –
Minnesota – – –
Montana – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Mexico – – –
Nevada – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Dakota – – –
Utah – – –
Vermont – – –
Washington – – –
West Virginia – – –
Wyoming – – –

State counts come from the Social Security Administration's state files, which omit any state-year with fewer than five babies of a name, so small states can undercount slightly.

The story of Semaj

Semaj is uncommon for boys in the United States, ranked #1,027 in 2025 with 217 babies given the name. It is currently holding steady compared with a decade ago.

Since 1971, 9,459 American babies have been named Semaj, about 78% boys and 22% girls, making it a genuinely unisex name. Its peak came in 2009, when 495 newborns received the name, the signature sound of the 2000s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Semaj stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Semaj?

The median living Semaj is about 16 years old; half are between 10 and 22. An estimated 9,300 people named Semaj are alive in the United States today.

median 16 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Semaj year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Girls Girls rank Boys Boys rank
2025 18 #6,515 217 #1,027
2024 19 #6,363 205 #1,066
2023 29 #4,726 257 #908
2022 40 #3,820 159 #1,241
2021 37 #4,004 171 #1,163
2020 26 #4,983 169 #1,152
2019 40 #3,778 185 #1,084
2018 41 #3,730 183 #1,085
2017 60 #2,832 195 #1,035
2016 55 #3,050 191 #1,041
2015 58 #2,995 201 #1,015
2014 57 #3,000 221 #956
2013 59 #2,897 251 #854
2012 92 #2,092 295 #771
2011 95 #2,056 374 #627
2010 113 #1,816 354 #675
2009 133 #1,685 362 #672
2008 109 #1,946 338 #698
2007 112 #1,876 310 #735
2006 97 #2,047 319 #696
2005 98 #1,964 293 #702
2004 78 #2,258 254 #738
2003 82 #2,143 230 #768
2002 67 #2,407 230 #755
2001 65 #2,433 248 #712
2000 53 #2,770 142 #1,033
1995 29 #3,759 77 #1,348
1990 9 #9,091 59 #1,483
1985 – – 11 #4,004
1980 – – 14 #3,224
1975 – – 10 #3,624
1970 – – – –
1965 – – – –
1960 – – – –
1955 – – – –
1950 – – – –
1945 – – – –
1940 – – – –
1935 – – – –
1930 – – – –
1925 – – – –
1920 – – – –
1915 – – – –
1910 – – – –
1905 – – – –
1900 – – – –
1895 – – – –
1890 – – – –
1885 – – – –
1880 – – – –

Frequently asked questions

Quick answers about Semaj, drawn from the same Social Security data as the charts above.

How old is the average Semaj?

The median living Semaj is about 16 years old. Half of all living Semajs are between 10 and 22 years old.

How many people named Semaj are alive today?

An estimated 9,300 people named Semaj are alive in the United States, based on 9,459 recorded births and Social Security life tables.

What does the name Semaj mean?

A male given name originating as a coinage.

How popular is the name Semaj in 2025?

Semaj ranked #1,027 among boys' names in the United States in 2025, with 217 babies given the name, according to Social Security Administration data.

How many people are named Semaj?

9,459 babies have been named Semaj in the United States since 1971, based on Social Security card applications.

When was the name Semaj most popular?

Semaj peaked in 2009, when 495 newborns received the name.

Is Semaj a boy or girl name?

Semaj is used for both: about 22% of babies named Semaj have been girls and 78% boys.

Is the name Semaj rising or falling?

Semaj has been roughly stable over the past decade.

Will Semaj become more popular?

Semaj is trending upward. If the recent trend holds, we project roughly 248 boys named Semaj in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Semaj

Names that sound and feel close to Semaj: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Semaj with similar names → More names starting with S →