NameCensus.
Very Rare

Michio

Around intellect or man of a brilliant mental faculty.

Name Census estimates that about 12 living Americans carry the first name Michio. The name is used almost exclusively for boys. The average person named Michio today is around 64 years old, and the year with the single highest number of Michio births was 1932 (8 babies).

This page is the full Name Census profile for Michio. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.

Key insights

  • Fewer than 100 living Americans are believed to carry the name Michio. It is among the rarest names in the SSA records.

People living today

12

~ 1 in 28,562,862 Americans

Peak year

1932

8 babies that year

Average age

64

years old

2011 SSA rank

#13,662

Tracked since 1915

Popularity

Michio: popularity over time

The SSA tracks Michio from the 1910s through to the 2010s, spanning 4 decades of birth certificate data. The biggest single decade for the name was the 1920s, with 46 total registrations. Usage has dropped considerably from its 1920s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.

Babies born per year

024681920193019401950196019701980199020002010

Decades

Michio by decade

The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Michio during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.

DecadeMaleFemaleTotal
1910s505
1920s46046
1930s34034
2010s505

Geography

Where Michios live

Origin

Meaning and history of Michio

The given name Michio originates from the Japanese language. It is a masculine name that has been in use since at least the 8th century AD during the Nara period of Japanese history. The name is derived from the Japanese words "mi," meaning "beautiful," and "chi," meaning "wisdom" or "knowledge." Together, Michio can be interpreted to mean "beautiful wisdom" or "beautiful knowledge."

The earliest recorded use of the name Michio dates back to the Kojiki, a historical record of ancient Japanese mythology and early history compiled in 712 AD. In this text, Michio is mentioned as the name of a minor deity associated with agriculture and fertility.

Throughout Japanese history, Michio has been a relatively common name, particularly among the samurai class and nobility. One notable historical figure with this name was Michio Suzuki, a renowned Zen Buddhist monk and calligrapher who lived from 1887 to 1982. He is remembered for his contributions to the spread of Zen teachings in the West.

Another prominent individual named Michio was Michio Ito, a Japanese painter and printmaker who lived from 1892 to 1961. He is celebrated for his innovative woodblock prints that combined traditional Japanese techniques with Western influences.

In the field of science, Michio Kaku, born in 1947, is a well-known theoretical physicist and futurist. He has made significant contributions to the study of string theory and has written several popular science books, including "Physics of the Impossible" and "Hyperspace."

One of the earliest recorded instances of the name Michio in the West can be found in the writings of the 16th-century Portuguese Jesuit missionary and writer, Luis Frois. In his accounts of his time in Japan, Frois mentions encountering several individuals with the name Michio.

While the name Michio has its roots in Japanese culture, it has gained some popularity in other parts of the world, particularly among those with an interest in Japanese language and traditions. However, its use remains primarily concentrated in Japan.

People

Michio + last name combinations

How many people share a full name with Michio as the first name? Click a combination below to see the estimate, or search any pairing.

Related

Other names starting with M

Other first names starting with M with a similar number of bearers.

FAQ

Michio: questions and answers

How many people in the U.S. are named Michio?

Name Census puts the figure at roughly 12 living Americans. We arrive at this by taking every SSA birth registration for Michio going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 28,562,862 US residents.

Is Michio a common name?

We classify Michio as "Very Rare". It ranks above 32.3% of all first names in the SSA dataset by living bearers. Across the full history of the data, 90 babies have been registered with this name.

When was Michio most popular?

The single biggest year for Michio was 1932, when 8 babies received the name. The fact that the average living Michio is about 64 years old gives you a rough sense of which era contributed the most bearers who are still alive today.

Is Michio a male name?

Yes, 100.0% of people registered as Michio in the SSA data are male. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.

Where does this data come from?

First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.

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