Baby Names US
boys' name ★ peaked 1919

Isidore

Meaning gift of (the goddess) Isis Gender Boy Rank 2025 #3,607 Trend ↑ Rising 84%

French form of the name of early Spanish saints, from Ancient Greek Ἰσίδωρος (Isídōros), meaning "gift of (the goddess) Isis".

Rank 2025
#3,607
among boys · ↓124 vs 2024
Babies in 2025
31
named Isidore · -6% vs 2024
How common
1 in 55,099
boys born in 2025
Peak year
1919
183 babies
All-time total
3,421
#2,322 all-time among boys
First recorded
1881
in Social Security records

Isidore popularity over time

3,421 babies have been named Isidore since 1881, 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
0.060.130.190.2518801900192019401960198020002020Peak 1914Boys

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 39 4 – #828
1890s 72 7 +85% #529
1900s 159 16 +121% #425
1910s 1,357 136 +753% #379
1920s 849 85 -37% #535
1930s 180 18 -79% #1,126
1940s 101 10 -44% #1,946
1950s 135 14 +34% #1,700
1960s 98 10 -27% #1,832
1970s 31 3 -68% #3,648
1980s 20 2 -35% #4,700
1990s 30 3 +50% #5,550
2000s 64 6 +113% #6,726
2010s 130 13 +103% #4,039
2020s (to 2025) 156 26 +100% #3,447

Where Isidore 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 33 0.02 outside top 500
2027 35 0.02 outside top 500
2028 37 0.02 outside top 500
2029 39 0.02 outside top 500
2030 40 0.02 outside top 500

The story of Isidore

Isidore is rare for boys in the United States, ranked #3,607 in 2025 with 31 babies given the name. It is currently rising compared with a decade ago.

Since 1881, 3,421 American babies have been named Isidore. Its peak came in 1919, when 183 newborns received the name, the signature sound of the 1910s.

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

How old are people named Isidore?

The median living Isidore is about 25 years old; half are between 6 and 67. An estimated 700 people named Isidore are alive in the United States today.

median 25 020406080100

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

Isidore year by year

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

Year Boys Boys rank
2025 31 #3,607
2024 33 #3,483
2023 34 #3,447
2022 16 #5,713
2021 31 #3,606
2020 11 #7,207
2019 20 #4,868
2018 26 #4,039
2017 14 #6,150
2016 11 #7,330
2015 11 #7,253
2014 15 #5,836
2013 13 #6,391
2012 5 #12,989
2011 7 #10,034
2010 8 #9,117
2009 5 #13,209
2008 9 #8,557
2007 9 #8,466
2006 5 #12,768
2005 7 #9,507
2004 6 #10,477
2003 7 #9,038
2002 10 #6,726
2001 – –
2000 6 #9,553
1995 – –
1990 9 #5,550
1985 7 #5,390
1980 – –
1975 – –
1970 8 #3,648
1965 8 #3,096
1960 18 #1,942
1955 15 #2,088
1950 9 #2,666
1945 9 #2,482
1940 7 #3,000
1935 14 #1,981
1930 39 #1,126
1925 77 #752
1920 130 #535
1915 182 #399
1910 43 #410
1905 10 #817
1900 15 #662
1895 8 #834
1890 – –
1885 – –
1880 – –

Famous people named Isidore

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

  1. 1 Isidore of Seville Isidore of Seville Hispano-Roman scholar (c. 560–636) Medieval
  2. 2 Isidore the Laborer Isidore the Laborer Spanish farmer and saint 1080–1130 · Medieval
  3. 3 Isidore of Kiev Isidore of Kiev Byzantine Greek prelate (1385–1463) Medieval
  4. 4 Isidore of Miletus Isidore of Miletus 5th-century Byzantine Greek architect and mathematician 442–537 · Antiquity
  5. 5 Isidore Isou Isidore Isou Romanian-born French writer and artist (1925–2007) Contemporary
  6. 6 Isidore Mvouba Isidore Mvouba Congolese politician b. 1954 · Contemporary
  7. 7 Isidore of Pelusium Isidore of Pelusium Christian monk and saint 370–440 · Antiquity
  8. 8 Isidore Geoffroy Saint-Hilaire Isidore Geoffroy Saint-Hilaire French zoologist 1805–1861 · 19th century
  9. 9 Isidore Mankofsky American cinematographer (1931–2021) Contemporary
  10. 10 Isidore of Charax Greco-Roman geographer of the 1st centuries BCE and CE -50–100 · Antiquity

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

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

How old is the average Isidore?

The median living Isidore is about 25 years old. Half of all living Isidores are between 6 and 67 years old.

How many people named Isidore are alive today?

An estimated 700 people named Isidore are alive in the United States, based on 3,421 recorded births and Social Security life tables.

What does the name Isidore mean?

French form of the name of early Spanish saints, from Ancient Greek Ἰσίδωρος (Isídōros), meaning "gift of (the goddess) Isis".

How popular is the name Isidore in 2025?

Isidore ranked #3,607 among boys' names in the United States in 2025, with 31 babies given the name, according to Social Security Administration data.

How many people are named Isidore?

3,421 babies have been named Isidore in the United States since 1881, based on Social Security card applications.

When was the name Isidore most popular?

Isidore peaked in 1919, when 183 newborns received the name.

Is Isidore a boy or girl name?

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

Is the name Isidore rising or falling?

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

Will Isidore become more popular?

Isidore is trending upward. If the recent trend holds, we project roughly 40 boys named Isidore 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 Isidore?

Well-known people named Isidore include Isidore of Seville (philosopher), Isidore the Laborer (religious figure), Isidore of Kiev (religious figure).

Names like Isidore

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

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