boy's name

Isao

ee-SAH-oh

  • Origin Japanese
  • Gender Boy
  • Syllables 3
  • Letters 4
  • Popularity Top 1000 (France)
  • Births on record 1,001

France

#340

2025 births

Isao is a boy's name with 3 syllables. In 2016 it was given to 5 babies in the United States. It ranks among the top 1,000 names in France.

  • Isao is a name of Japanese origin.
  • Peaked in France in 2025, when 150 babies were given the name.
  • It has been rising over the past decade in France.
  • Today about 1 in 3,930 babies in France is given this name.
  • First appears in birth records in 2003.
  • 3 syllables, with the stress on syllable 2.

Isao Over Time

Births per decade in France, 2000s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.

490
'00 '10 '20
Show the numbers
Births named Isao by decade in France
Decade Births
2000s 40
2010s 225
2020s (to 2025) 490

How Popular Is Isao?

In 2025, Isao was given to 150 babies in France, ranking #340 that year. It ranks among the top 1,000 names in France.

Where Isao Is Used

France #340 150 in 2025
United States #13,507 5 in 2016

The bar shows how near the top of each country's list the name sits, on a scale where #1 fills the row and #1,000 is a sliver. The figures beside it are the real rank and the babies recorded that year.

French counts are rounded to the nearest five and nothing below five is published, so these figures show the shape of the name's use rather than an exact tally. Data & sources.

Names That Peaked Alongside Isao

These names rose and fell in the same era, which is why they tend to sound like they belong together.

Parents Who Like Isao Also Like

Names whose popularity has risen and fallen in step with Isao over the last century — the same taste, a different name.

How to Say Isao

  • Pronunciation ee-SAH-oh

Sibling Names for Isao

Names from the same era that do not rhyme or share an initial with Isao — the two things that make a sibling set grate.

Common Questions About Isao

How popular is the name Isao?

In 2025, Isao was given to 150 babies in France, ranking #340 that year. It ranks among the top 1,000 names in France.

Is Isao a girl's or a boy's name?

Isao is given almost entirely to boys in birth records.

How many syllables are in Isao?

Isao has 3 syllables.

When was Isao most popular?

Isao peaked in 2025, when 150 babies were given the name. It has been rising over the past decade.

Is Isao a good name?

That is not something records can settle, but they can tell you what you would be choosing. Isao currently ranks #340 in France. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.