Unisex name ★ peaked 1927

Merlin

Meaning sea-hill Gender Unisex · 6% girls Rank 2025 #2,343 Trend ↑ Rising 24%

From Middle English Merlyn, from Medieval Latin Merlinus and Old French Merlin, from Proto-Brythonic *Mor-ðin (literally “sea-hill”), from Proto-Celtic *mori (“sea”) +…

Rank 2025
#2,343
among boys · ↓271 vs 2024
Babies in 2025
73
named Merlin · -15% vs 2024
How common
1 in 28,950
boys born in 2025
Peak year
1927
405 babies
All-time total
15,968
#969 all-time among boys
First recorded
1885
in Social Security records

Merlin popularity over time

15,968 babies have been named Merlin since 1885, 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
0.10.20.30.418801900192019401960198020002020BoysGirls
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 – 14 14 1 – #722
1890s – 42 42 4 +200% #730
1900s 6 145 151 15 +260% #446
1910s 49 1,492 1,541 154 +921% #355
1920s 113 3,322 3,435 344 +123% #288
1930s 80 2,963 3,043 304 -11% #291
1940s 68 2,060 2,128 213 -30% #364
1950s 35 1,574 1,609 161 -24% #507
1960s 14 894 908 91 -44% #738
1970s 11 533 544 54 -40% #966
1980s 32 407 439 44 -19% #1,368
1990s 119 391 510 51 +16% #1,800
2000s 191 443 634 63 +24% #1,998
2010s 121 404 525 53 -17% #2,346
2020s (to 2025) 80 365 445 74 +41% #2,072

Where Merlin 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 61 0.04 outside top 500
2027 62 0.04 outside top 500
2028 63 0.04 outside top 500
2029 64 0.04 outside top 500
2030 65 0.04 outside top 500

Where Merlin is most popular

Boys named Merlin per 1,000 boys born in each state, 2021–2025. National average: 0.036 per 1,000. Strongest in Ohio, Pennsylvania, and Colorado.

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 Merlin 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
Ohio 15 0.057 +56%
Pennsylvania 13 0.049 +35%
Colorado 6 0.046 +28%
Indiana 7 0.044 +20%
Wisconsin 5 0.042 +16%
Washington 6 0.037 ≈ national
Tennessee 6 0.033 -8%
Michigan 6 0.029 -19%
California 21 0.023 -37%
Texas 18 0.020 -44%
Alaska – – –
Alabama – – –
Arkansas – – –
Arizona – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Florida – – –
Georgia – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Illinois – – –
Kansas – – –
Kentucky – – –
Louisiana – – –
Massachusetts – – –
Maryland – – –
Maine – – –
Minnesota – – –
Missouri – – –
Mississippi – – –
Montana – – –
North Carolina – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Jersey – – –
New Mexico – – –
Nevada – – –
New York – – –
Oklahoma – – –
Oregon – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Utah – – –
Virginia – – –
Vermont – – –
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 Merlin

Merlin is rare for boys in the United States, ranked #2,343 in 2025 with 59 babies given the name. It is currently rising compared with a decade ago.

Since 1885, 15,968 American babies have been named Merlin, about 94% boys and 6% girls, making it a genuinely unisex name. Its peak came in 1927, when 405 newborns received the name, the signature sound of the 1920s.

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 Merlin stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Merlin?

The median living Merlin is about 59 years old; half are between 26 and 75. An estimated 6,500 people named Merlin are alive in the United States today.

median 59 020406080100

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

Merlin 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 14 #7,758 59 #2,343
2024 13 #8,281 73 #2,072
2023 13 #8,345 62 #2,285
2022 11 #9,451 49 #2,703
2021 12 #8,818 70 #2,092
2020 17 #6,825 52 #2,493
2019 10 #10,239 53 #2,514
2018 12 #8,987 57 #2,346
2017 14 #8,142 54 #2,408
2016 11 #9,866 40 #2,967
2015 12 #9,324 35 #3,284
2014 12 #9,354 34 #3,283
2013 8 #12,777 37 #3,036
2012 15 #8,079 39 #2,989
2011 12 #9,539 31 #3,489
2010 15 #8,169 24 #4,194
2009 17 #7,574 40 #2,976
2008 26 #5,532 40 #2,988
2007 25 #5,643 43 #2,793
2006 22 #6,062 49 #2,500
2005 18 #6,732 37 #2,883
2004 12 #9,081 46 #2,442
2003 30 #4,382 44 #2,415
2002 15 #7,318 43 #2,398
2001 14 #7,603 54 #1,998
2000 12 #8,378 47 #2,162
1995 19 #5,157 40 #2,080
1990 10 #8,293 44 #1,800
1985 – – 44 #1,519
1980 6 #9,882 48 #1,368
1975 – – 48 #1,237
1970 – – 48 #1,201
1965 – – 81 #824
1960 – – 105 #755
1955 6 #5,637 175 #558
1950 – – 175 #507
1945 7 #3,910 187 #437
1940 7 #3,741 249 #364
1935 11 #2,680 308 #310
1930 5 #5,030 333 #311
1925 16 #2,353 343 #307
1920 7 #4,271 314 #328
1915 – – 179 #402
1910 – – 23 #612
1905 – – 10 #825
1900 – – 8 #1,019
1895 – – 10 #730
1890 – – 5 #1,106
1885 – – 6 #898
1880 – – – –

Frequently asked questions

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

How old is the average Merlin?

The median living Merlin is about 59 years old. Half of all living Merlins are between 26 and 75 years old.

How many people named Merlin are alive today?

An estimated 6,500 people named Merlin are alive in the United States, based on 15,968 recorded births and Social Security life tables.

What does the name Merlin mean?

From Middle English Merlyn, from Medieval Latin Merlinus and Old French Merlin, from Proto-Brythonic *Mor-ðin (literally “sea-hill”), from Proto-Celtic *mori (“sea”) + *dūnom (“stronghold, rampart”).

How popular is the name Merlin in 2025?

Merlin ranked #2,343 among boys' names in the United States in 2025, with 59 babies given the name, according to Social Security Administration data.

How many people are named Merlin?

15,968 babies have been named Merlin in the United States since 1885, based on Social Security card applications.

When was the name Merlin most popular?

Merlin peaked in 1927, when 405 newborns received the name.

Is Merlin a boy or girl name?

Merlin is used for both: about 6% of babies named Merlin have been girls and 94% boys.

Is the name Merlin rising or falling?

Merlin is on the rise, noticeably more popular now than a decade ago.

Will Merlin become more popular?

Merlin is trending upward. If the recent trend holds, we project roughly 65 boys named Merlin in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Merlin

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

Compare Merlin with similar names → More names starting with M →