Baby Names US
boys' name ★ peaked 2009

Izaac

Gender Boy Rank 2025 #2,856 Trend ↓ Falling 34%
Rank 2025
#2,856
among boys · ↓244 vs 2024
Babies in 2025
44
named Izaac · -14% vs 2024
How common
1 in 38,820
boys born in 2025
Peak year
2009
151 babies
All-time total
2,845
#2,632 all-time among boys
First recorded
1977
in Social Security records

Izaac popularity over time

2,845 babies have been named Izaac since 1977, 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
0.030.050.080.118801900192019401960198020002020Peak 2012Boys

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 – – – –
1920s – – – –
1930s – – – –
1940s – – – –
1950s – – – –
1960s – – – –
1970s 17 2 – #4,808
1980s 22 2 +29% #6,653
1990s 267 27 +1114% #2,080
2000s 1,099 110 +312% #1,192
2010s 1,120 112 +2% #1,219
2020s (to 2025) 320 53 -52% #2,174

Where Izaac 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 41 0.02 outside top 500
2027 39 0.02 outside top 500
2028 37 0.02 outside top 500
2029 36 0.02 outside top 500
2030 35 0.02 outside top 500

Where Izaac is most popular

Boys named Izaac per 1,000 boys born in each state, 2021–2025. National average: 0.030 per 1,000. Strongest in New Mexico, California, and Texas.

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 Izaac 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 5 0.152 +412%
California 52 0.057 +92%
Texas 45 0.051 +72%
Florida 5 0.011 -64%
Alaska – – –
Alabama – – –
Arkansas – – –
Arizona – – –
Colorado – – –
Connecticut – – –
District of Columbia – – –
Delaware – – –
Georgia – – –
Hawaii – – –
Iowa – – –
Idaho – – –
Illinois – – –
Indiana – – –
Kansas – – –
Kentucky – – –
Louisiana – – –
Massachusetts – – –
Maryland – – –
Maine – – –
Michigan – – –
Minnesota – – –
Missouri – – –
Mississippi – – –
Montana – – –
North Carolina – – –
North Dakota – – –
Nebraska – – –
New Hampshire – – –
New Jersey – – –
Nevada – – –
New York – – –
Ohio – – –
Oklahoma – – –
Oregon – – –
Pennsylvania – – –
Rhode Island – – –
South Carolina – – –
South Dakota – – –
Tennessee – – –
Utah – – –
Virginia – – –
Vermont – – –
Washington – – –
Wisconsin – – –
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 Izaac

Izaac is rare for boys in the United States, ranked #2,856 in 2025 with 44 babies given the name. It is currently declining compared with a decade ago.

Since 1977, 2,845 American babies have been named Izaac. Its peak came in 2009, when 151 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 Izaac stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Izaac?

The median living Izaac is about 15 years old; half are between 10 and 21. An estimated 2,800 people named Izaac 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.

Izaac year by year

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

Year Boys Boys rank
2025 44 #2,856
2024 51 #2,612
2023 47 #2,748
2022 63 #2,280
2021 51 #2,563
2020 64 #2,174
2019 79 #1,893
2018 80 #1,880
2017 80 #1,846
2016 77 #1,908
2015 128 #1,363
2014 131 #1,331
2013 146 #1,230
2012 146 #1,219
2011 120 #1,388
2010 133 #1,293
2009 151 #1,199
2008 145 #1,215
2007 131 #1,314
2006 100 #1,514
2005 134 #1,192
2004 101 #1,410
2003 95 #1,405
2002 99 #1,338
2001 73 #1,621
2000 70 #1,657
1995 23 #3,054
1990 6 #7,526
1985 – –
1980 5 #6,653
1975 – –
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 Izaac, drawn from the same Social Security data as the charts above.

How old is the average Izaac?

The median living Izaac is about 15 years old. Half of all living Izaacs are between 10 and 21 years old.

How many people named Izaac are alive today?

An estimated 2,800 people named Izaac are alive in the United States, based on 2,845 recorded births and Social Security life tables.

How popular is the name Izaac in 2025?

Izaac ranked #2,856 among boys' names in the United States in 2025, with 44 babies given the name, according to Social Security Administration data.

How many people are named Izaac?

2,845 babies have been named Izaac in the United States since 1977, based on Social Security card applications.

When was the name Izaac most popular?

Izaac peaked in 2009, when 151 newborns received the name.

Is Izaac a boy or girl name?

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

Is the name Izaac rising or falling?

Izaac is declining, less popular now than a decade ago.

Will Izaac become more popular?

Izaac is trending downward. If the recent trend holds, we project roughly 35 boys named Izaac in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Names like Izaac

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

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