Boy · #3,549 in 2026

Iwao

Iwao is both a masculine Japanese given name and a Japanese surname. Notable people with the name include:

Current Rank
#3,549
Peak Rank
#1,766 (1921)
Total Babies
178
5-Yr Trend
Stable
1914
First Year
1936
Last Year
1921
Peak Year
#1766
Peak Rank
178
Total Count
19
Years Active

Meaning & Origin of Iwao

What this name means, where it came from, and how it has traveled across cultures.

Iwao is both a masculine Japanese given name and a Japanese surname. Notable people with the name include:

Source: Wikipedia (CC BY-SA 3.0). Read more →

The Story of Iwao

Iwao first appeared in U.S. Social Security Administration records as a baby boy name in 1914, with 5 babies given the name that year. Its peak popularity came in 1921, when 20 Iwaos were born — ranking #1,766 that year. As of 2026, Iwao ranks #3,549 for baby boys with 5 births, with steady use. In total, more than 178 Iwaos have been born in the U.S. since records began in 1880, spanning the 1910s through the 2020s.

Popularity Over Time

Popularity by State

ME
WA
MT
ND
MN
WI
MI
NY
VT
NH
MA
OR
ID
SD
IA
IL
IN
OH
PA
NJ
CT
RI
CA
NV
WY
NE
MO
KY
WV
VA
MD
DE
DC
UT
CO
KS
AR
TN
NC
SC
AK
AZ
NM
OK
LA
MS
AL
GA
HI
TX
FL
Top 10
11-50
51-100
101-500
500+
No data

Names that sound like Iwao

Phonetically similar names — useful when Iwao is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

  • Iois
  • Iwo
  • Iwa
  • Iway
  • Iwai
  • Aiwa
  • Aiya
  • Iwe
  • Aiye
  • Aiu
  • Aiw
  • Away

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Iwao

What does the name Iwao mean?
Iwao is both a masculine Japanese given name and a Japanese surname. Notable people with the name include:
How popular is Iwao in 2026?
In 2026, Iwao ranks #3,549 among boys' names in the U.S., with 5 babies given the name that year.
When was Iwao most popular?
Iwao reached its peak popularity in 1921, ranking #1,766 that year with 20 babies given the name.
In which U.S. states is Iwao most popular?
Iwao has historically been most popular in Hawaii, California. Rankings vary year to year, but these states show the strongest concentration of births named Iwao.
Is Iwao a unisex name?
In U.S. Social Security records, Iwao is primarily a boy's name. We don't have meaningful data for it as a girl's name.
What names go well with Iwao?
Names that share a similar style or popularity range with Iwao include Olive, Linford, Viggo. These pairings are based on rank proximity and naming era in U.S. data.

About the name Iwao

Iwao is a boy baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1914 and has accumulated 178 births in the dataset. Iwao's peak popularity came in 1921 when it ranked #1,766. Use the chart and map above to compare Iwao's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

  • Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
  • Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
  • Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
  • Predicted nationality distribution — Nationalize.io .
  • Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.