Boys' name · since 1915

Michio

90 babies named Michio in U.S. Social Security records since 1915, with the highest year being 1932. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#18,100 of 45,481
all-time among boys
90
born since 1915
1920s
peak decade

Michio is not among the current top-ranked boys names; 90 have been recorded since 1915.

Social Security Administration records show Michio recorded 90 times among boys since 1915, though it doesn't currently rank among the most-used boys names, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1915 to 2011.

  • #18,100 of 45,481 all-time among boys
  • 90 born since 1915
  • 1920s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Michio ranks #18,100 of 45,481 boys' names by all-time recorded births (highest first). 90 born since 1915, peaking in the 1920s.

#18,100 of 45,481
all-time among boys
90
born since 1915
1920s
peak decade
Below the archive median
All-time archive position

Michio's 90 recorded births place it above 60.14% of the 45,481 boys names in the full SSA archive.

2 jurisdictions
State-record footprint

The state file records this name in 2 jurisdictions, led by California.

Michio's usage pattern, beyond the headline number

Splitting Michio's full recorded timeline at 1929, 51% of its total births fall in the more recent half of the record versus 49% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1915, with just 5 recorded births -- worth weighing against the 1932 peak of 8 to see the full range of the name's swing in popularity.

Michio popularity over time

Annual U.S. births registered with the Social Security Administration · 1915–2011

Last recorded 2011
Peak year (1932)
8
Annual births at peak, across 97 years of records
456789 191519231925192719291931193319382011 5

Michio by decade

1920s is the heaviest window (46 births, 51% of the file).

1920s was Michio's strongest decade.

46 babies received the name during that ten-year window, about 51% of all-time use.

Michio births by decade

Total births in each ten-year window

births

What this shows Peak: 1920s at 46 births (51% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Michio by state

Where Michio concentrates geographically, total births since 1915

Geographically diffuse
Top 2 states by recorded births for the name Michio
Rank State Visual share Births Share of total
#1 California
15 16.7%
#2 Hawaii
5 5.6%
California share of Michio's total US births 16.7%
Even split

15 of 90 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Michio?
Michio has been given to 90 babies in the U.S. since 1915, according to SSA data. Its archive ordinal is #18,100 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2011. 8 babies were born in 1932, its single highest year.
Where does Michio sit in the SSA name archive?
According to the U.S. Social Security Administration, Michio ranks #18,100 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Michio most popular?
Michio was most popular in the 1920s decade with 46 total births. The single peak year was 1932.
Where is Michio most popular?
The top states for the name Michio are California (15 births), Hawaii (5 births).
How long has the name Michio been used?
Records for Michio go back to 1915, giving 97 years of history through 2011.
What names are similar to Michio?
Names with a similar sound or spelling include Michael, Micheal, Micah, Mickey, and 4 more. These share a common prefix and are also used for boys.

What to do with Michio's data

  • Michio's decade-level peak was the 1920s (46 total births); usage has since declined to 5 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Michios (15 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Michio

Nearby Names Like Michio

Names with a similar sound, spelling, or feel to Michio

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Michio: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1915–2011 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Michio draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.