Iwao
Boy nameIwao has been given to 178 babies in the U.S. since 1914. It peaked in 1921.
Popularity over time births per year, 1880–2025
Total babies
178
Peak year
1921 (20 babies)
Rank in 2025
Below top 1000
First recorded
1914
10-year trend
New / returning
Gender split
All boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Iwao.
Sibling name ideas for Iwao
Same era and popularity as Iwao, avoiding matching initials or rhymes.
FAQ
How popular is the name Iwao?
Iwao has been given to 178 babies in the U.S. since 1914. It ranked below the top 1000 in 2025.
When did the name Iwao peak?
Iwao peaked in 1921, when 20 babies were given the name.
Is Iwao a girl or boy name?
Iwao is primarily a boy name (100% of babies named Iwao are boys).
Get new name insights first
Occasional updates when we add new data & tools. No spam, unsubscribe anytime by replying to any email or writing to hello@zalize.com.
By subscribing you agree to our privacy policy. We store only your email address and the date you signed up.