Baby Names US
boys' name ★ peaked 1929

Isidoro

Gender Boy Rank 2025 Below top lists
Rank 2025
–
among boys
Babies in 2025
<5
named Isidoro
How common
–
boys born in 2025
Peak year
1929
24 babies
All-time total
1,292
#4,365 all-time among boys
First recorded
1913
in Social Security records

Isidoro popularity over time

1,292 babies have been named Isidoro since 1913, 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
0.010.010.020.0318801900192019401960198020002020Peak 1929Boys

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 45 5 – #2,781
1920s 131 13 +191% #1,502
1930s 123 12 -6% #1,794
1940s 112 11 -9% #1,721
1950s 143 14 +28% #1,631
1960s 119 12 -17% #1,850
1970s 144 14 +21% #2,039
1980s 151 15 +5% #2,291
1990s 157 16 +4% #2,896
2000s 111 11 -29% #3,978
2010s 34 3 -69% #9,118
2020s (to 2025) 22 4 +8% #8,505

The story of Isidoro

Isidoro is not currently in use for newborns in the United States: fewer than five babies received the name in 2025. Its story lives in the historical record below.

Since 1913, 1,292 American babies have been named Isidoro. Its peak came in 1929, when 24 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 Isidoro stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Isidoro?

The median living Isidoro is about 44 years old; half are between 30 and 62. An estimated 900 people named Isidoro are alive in the United States today.

median 44 020406080100

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

Isidoro year by year

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

Year Boys Boys rank
2025 – –
2024 – –
2023 9 #8,505
2022 5 #13,099
2021 8 #9,160
2020 – –
2019 – –
2018 7 #10,078
2017 7 #10,120
2016 5 #12,970
2015 – –
2014 – –
2013 – –
2012 – –
2011 7 #10,035
2010 8 #9,118
2009 7 #10,265
2008 11 #7,392
2007 16 #5,522
2006 14 #5,895
2005 8 #8,594
2004 – –
2003 14 #5,371
2002 7 #8,818
2001 14 #5,234
2000 20 #3,978
1995 15 #4,131
1990 17 #3,513
1985 19 #2,640
1980 17 #2,775
1975 15 #2,686
1970 9 #3,382
1965 8 #3,097
1960 14 #2,261
1955 14 #2,179
1950 21 #1,631
1945 5 #3,527
1940 13 #2,030
1935 13 #2,083
1930 16 #1,925
1925 14 #2,255
1920 5 #4,615
1915 8 #2,943
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Famous people named Isidoro

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

  1. 1 Isidoro San José Spanish footballer b. 1955 · Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Isidoro?

The median living Isidoro is about 44 years old. Half of all living Isidoros are between 30 and 62 years old.

How many people named Isidoro are alive today?

An estimated 900 people named Isidoro are alive in the United States, based on 1,292 recorded births and Social Security life tables.

How popular is the name Isidoro in 2025?

Isidoro did not appear in the 2025 Social Security data, which means fewer than five babies received the name that year.

How many people are named Isidoro?

1,292 babies have been named Isidoro in the United States since 1913, based on Social Security card applications.

When was the name Isidoro most popular?

Isidoro peaked in 1929, when 24 newborns received the name.

Is Isidoro a boy or girl name?

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

Is the name Isidoro rising or falling?

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

Who are famous people named Isidoro?

Well-known people named Isidoro include Isidoro San José (soccer player).

Names like Isidoro

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

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