boys' name ★ peaked 2025

Isaias

Gender Boy Rank 2025 #426 Trend ↑ Rising 27%

Isaías is the Spanish and Portuguese language form of the biblical name Isaiah.

Rank 2025
#426
among boys · ↑23 vs 2024
Babies in 2025
755
named Isaias · +7% vs 2024
How common
1 in 2,262
boys born in 2025
Peak year
2025
755 babies
All-time total
18,644
#861 all-time among boys
First recorded
1915
in Social Security records

Isaias popularity over time

18,644 babies have been named Isaias since 1915, 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
0.130.250.380.518801900192019401960198020002020Peak 2025Boys

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 Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s 18 2 – #3,612
1920s 98 10 +444% #1,547
1930s 144 14 +47% #1,532
1940s 150 15 +4% #1,468
1950s 222 22 +48% #1,389
1960s 242 24 +9% #1,438
1970s 502 50 +107% #1,020
1980s 985 99 +96% #834
1990s 2,335 234 +137% #581
2000s 4,664 466 +100% #481
2010s 5,212 521 +12% #494
2020s (to 2025) 4,072 679 +30% #426

Where Isaias 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 789 0.46 #405
2027 818 0.48 #388
2028 844 0.49 #375
2029 867 0.51 #369
2030 887 0.52 #365

Where Isaias is most popular

Boys named Isaias per 1,000 boys born in each state, 2021–2025. National average: 0.398 per 1,000. Strongest in New Mexico, Texas, and California.

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 Isaias 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
New Mexico 31 0.941 +136%
Texas 713 0.809 +103%
California 694 0.759 +91%
Arizona 109 0.666 +67%
Colorado 78 0.604 +52%
Maryland 72 0.604 +52%
Nebraska 26 0.598 +50%
Nevada 32 0.561 +41%
Kansas 37 0.539 +35%
New Jersey 108 0.536 +35%
Washington 81 0.495 +24%
Oklahoma 42 0.475 +19%
Utah 44 0.461 +16%
Illinois 111 0.434 +9%
Florida 203 0.429 +8%
Georgia 103 0.407 ≈ national
North Carolina 103 0.403 ≈ national
Massachusetts 55 0.400 ≈ national
Virginia 75 0.395 ≈ national
Tennessee 58 0.321 -19%
Indiana 48 0.299 -25%
New York 129 0.298 -25%
Alabama 32 0.293 -27%
South Carolina 26 0.252 -37%
Pennsylvania 66 0.249 -38%
Oregon 18 0.237 -40%
Connecticut 16 0.236 -41%
Minnesota 28 0.228 -43%
Arkansas 12 0.190 -52%
Iowa 13 0.189 -53%
Wisconsin 22 0.186 -53%
Louisiana 18 0.176 -56%
Missouri 24 0.173 -57%
Idaho 5 0.122 -69%
Kentucky 11 0.110 -72%
Ohio 25 0.094 -76%
Michigan 14 0.068 -83%
Alaska – – –
District of Columbia – – –
Delaware – – –
Hawaii – – –
Maine – – –
Mississippi – – –
Montana – – –
North Dakota – – –
New Hampshire – – –
Rhode Island – – –
South Dakota – – –
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 Isaias

Isaias is moderately common for boys in the United States, ranked #426 in 2025 with 755 babies given the name. It is currently rising compared with a decade ago.

Since 1915, 18,644 American babies have been named Isaias. Its peak came in 2025, when 755 newborns received the name, the signature sound of the 2020s.

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

How old are people named Isaias?

The median living Isaias is about 15 years old; half are between 6 and 25. An estimated 18 thousand people named Isaias are alive in the United States today.

median 15 020406080100

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

Isaias year by year

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

Year Boys Boys rank
2025 755 #426
2024 704 #449
2023 705 #441
2022 676 #455
2021 600 #491
2020 632 #472
2019 580 #495
2018 550 #515
2017 508 #547
2016 541 #538
2015 520 #552
2014 500 #550
2013 499 #533
2012 513 #513
2011 475 #538
2010 526 #494
2009 569 #481
2008 551 #497
2007 521 #509
2006 480 #530
2005 475 #518
2004 486 #503
2003 382 #578
2002 401 #551
2001 435 #518
2000 364 #566
1995 237 #689
1990 157 #814
1985 95 #936
1980 82 #999
1975 42 #1,351
1970 31 #1,534
1965 25 #1,573
1960 20 #1,836
1955 17 #1,930
1950 23 #1,561
1945 21 #1,468
1940 10 #2,397
1935 20 #1,563
1930 16 #1,924
1925 9 #3,027
1920 7 #3,638
1915 6 #3,612
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Famous people named Isaias

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Isaias Afwerki Isaias Afwerki President of Eritrea since 1993 b. 1946 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Isaias?

The median living Isaias is about 15 years old. Half of all living Isaiass are between 6 and 25 years old.

How many people named Isaias are alive today?

An estimated 18 thousand people named Isaias are alive in the United States, based on 18,644 recorded births and Social Security life tables.

What does the name Isaias mean?

Isaías is the Spanish and Portuguese language form of the biblical name Isaiah.

How popular is the name Isaias in 2025?

Isaias ranked #426 among boys' names in the United States in 2025, with 755 babies given the name, according to Social Security Administration data.

How many people are named Isaias?

18,644 babies have been named Isaias in the United States since 1915, based on Social Security card applications.

When was the name Isaias most popular?

Isaias peaked in 2025, when 755 newborns received the name.

Is Isaias a boy or girl name?

Isaias is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Isaias rising or falling?

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

Will Isaias become more popular?

Isaias is trending upward. If the recent trend holds, we project roughly 887 boys named Isaias in 2030, which would rank around #365. Forecasts assume the current trend continues and become less certain further out.

Who are famous people named Isaias?

Well-known people named Isaias include Isaias Afwerki (politician).

Names like Isaias

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

Compare Isaias with similar names → More names starting with I →