Baby Names US
boys' name ★ peaked 2006

Isac

Meaning Spelling variant of Isaac Gender Boy Rank 2025 #4,600 Trend ↓ Falling 13%

Spelling variant of Isaac.

Rank 2025
#4,600
among boys · ↓478 vs 2024
Babies in 2025
22
named Isac · -15% vs 2024
How common
1 in 77,640
boys born in 2025
Peak year
2006
148 babies
All-time total
3,203
#2,427 all-time among boys
First recorded
1884
in Social Security records

Isac popularity over time

3,203 babies have been named Isac since 1884, 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 2006Boys

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 5 1 – #1,046
1890s 11 1 +120% #1,016
1900s 33 3 +200% #1,159
1910s 132 13 +300% #1,079
1920s 145 15 +10% #1,756
1930s 81 8 -44% #2,145
1940s 22 2 -73% #3,083
1950s 12 1 -45% #3,347
1960s 21 2 +75% #3,698
1970s 61 6 +190% #3,553
1980s 192 19 +215% #2,457
1990s 543 54 +183% #1,359
2000s 1,210 121 +123% #1,140
2010s 577 58 -52% #1,560
2020s (to 2025) 158 26 -54% #3,451

Where Isac 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 22 0.01 outside top 500
2027 21 0.01 outside top 500
2028 21 0.01 outside top 500
2029 21 0.01 outside top 500
2030 20 0.01 outside top 500

The story of Isac

Isac is rare for boys in the United States, ranked #4,600 in 2025 with 22 babies given the name. It is currently declining compared with a decade ago.

Since 1884, 3,203 American babies have been named Isac. Its peak came in 2006, when 148 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 Isac stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Isac?

The median living Isac is about 20 years old; half are between 15 and 27. An estimated 2,700 people named Isac are alive in the United States today.

median 20 020406080100

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

Isac year by year

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

Year Boys Boys rank
2025 22 #4,600
2024 26 #4,122
2023 19 #5,136
2022 30 #3,723
2021 33 #3,451
2020 28 #3,757
2019 27 #3,938
2018 26 #4,038
2017 39 #3,032
2016 39 #3,027
2015 42 #2,826
2014 62 #2,187
2013 75 #1,886
2012 73 #1,952
2011 92 #1,648
2010 102 #1,560
2009 111 #1,503
2008 123 #1,383
2007 138 #1,275
2006 148 #1,147
2005 142 #1,140
2004 126 #1,211
2003 127 #1,178
2002 96 #1,373
2001 120 #1,151
2000 79 #1,525
1995 56 #1,635
1990 32 #2,233
1985 21 #2,457
1980 20 #2,478
1975 6 #5,061
1970 – –
1965 6 #3,698
1960 – –
1955 – –
1950 5 #3,922
1945 – –
1940 – –
1935 12 #2,186
1930 11 #2,520
1925 13 #2,364
1920 13 #2,391
1915 21 #1,532
1910 10 #1,079
1905 5 #1,324
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Famous people named Isac

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

  1. 1 Isaác Brizuela Isaác Brizuela Mexican footballer (born 1990) Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Isac?

The median living Isac is about 20 years old. Half of all living Isacs are between 15 and 27 years old.

How many people named Isac are alive today?

An estimated 2,700 people named Isac are alive in the United States, based on 3,203 recorded births and Social Security life tables.

What does the name Isac mean?

Spelling variant of Isaac.

How popular is the name Isac in 2025?

Isac ranked #4,600 among boys' names in the United States in 2025, with 22 babies given the name, according to Social Security Administration data.

How many people are named Isac?

3,203 babies have been named Isac in the United States since 1884, based on Social Security card applications.

When was the name Isac most popular?

Isac peaked in 2006, when 148 newborns received the name.

Is Isac a boy or girl name?

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

Is the name Isac rising or falling?

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

Will Isac become more popular?

Isac is trending downward. If the recent trend holds, we project roughly 20 boys named Isac in 2030, which would rank outside the top 500. Forecasts assume the current trend continues and become less certain further out.

Who are famous people named Isac?

Well-known people named Isac include Isaác Brizuela (soccer player).

Names like Isac

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

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