Total births
565
Girls' name · since 1911
Mitsuko
Mitsuko has 565 recorded births since 1911 in federal Social Security data, most heavily in 1919 -- full year-by-year trend, decade aggregates, and state rankings follow.
- 565
- total births
- 1911–1981
- years on record
- 1920s
- peak decade
- 53%
- born in that decade
Mitsuko is not among the current top-ranked girls names; 565 have been recorded since 1911.
According to the U.S. Social Security Administration, Mitsuko has been recorded 565 times among girls since 1911, though it is not among the currently most-used girls names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1911 to 1981.
- 565 total births
- 1911–1981 years on record
- 1920s peak decade
- 53% born in that decade
Data updated Jun 2026
The verdict
565 girls have been named Mitsuko since 1911, peaking in the 1920s, last recorded in 1981.
- 565
- total births
- 1911–1981
- years on record
- 1920s
- peak decade
- 53%
- born in that decade
1920s
Peak decade
53% of everyone ever named Mitsuko was born in this single decade.
1919
Single peak year
48 babies were named Mitsuko in 1919 - its busiest year on record.
Mitsuko's usage pattern, beyond the headline number
Splitting Mitsuko's full recorded timeline at 1925, 39% of its total births fall in the more recent half of the record versus 61% in the earlier half -- the name was more prevalent in its earlier era than it is today. Its quietest year on record was 1911, with just 5 recorded births -- worth weighing against the 1919 peak of 48 to see the full range of the name's swing in popularity.
Mitsuko at a glance
Last recorded 1981Peak year
1919
Current rank
Unranked
Active since
1911
Mitsuko popularity over time
Annual U.S. births registered with the Social Security Administration · 1911–1981
- Peak year (1919)
- 48
- Annual births at peak, across 71 years of records
Mitsuko by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Mitsuko's strongest decade.
300 babies received the name during that ten-year window, about 53% of all-time use.
Mitsuko births by decade
Total births in each ten-year window
- 1910s
1910s
183 births
- 1920s
1920s
300 births
- 1930s 72
1930s
72 births
- 1940s 5
1940s
5 births
- 1980s 5
1980s
5 births
What this shows Peak: 1920s at 300 births (53% of all-time use).
How Mitsuko compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Mitsuko's total volume
Mitsuko vs 15 similarly-sized girls names
Mitsuko by state
Where Mitsuko concentrates geographically, total births since 1911
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Hawaii | | 320 | 56.6% |
| #2 | California | | 148 | 26.2% |
Hawaii share of Mitsuko's total US births 56.6%
Even split
320 of 565 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Mitsuko? ▼
Mitsuko has been given to 565 babies in the U.S. since 1911, according to SSA data. Its last appearance in the data was 1981. 48 babies were born in 1919, its single highest year.
When was Mitsuko most popular? ▼
Mitsuko was most popular in the 1920s decade with 300 total births. The single peak year was 1919.
Where is Mitsuko most popular? ▼
The top states for the name Mitsuko are Hawaii (320 births), California (148 births).
How long has the name Mitsuko been used? ▼
The SSA has tracked Mitsuko since 1911 -- 71 years through the most recent 1981 data.
What names are similar to Mitsuko? ▼
Names with a similar sound or spelling include Mitzi, Mittie, Mitzie, Mitzy, and 4 more. These share a common prefix and are also used for girls.
What to do with Mitsuko's data
- Mitsuko's decade-level peak was the 1920s (300 total births); usage has since declined to 5 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Hawaii records the most Mitsukos (320 births) -- see the full state breakdown if geography matters to your decision. Hawaii names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Mitsuko
Nearby Names Like Mitsuko
Names with a similar sound, spelling, or feel to Mitsuko
Mitzi Girl
#7999 13,200 births
Mittie Girl
6,298 births
Mitzie Girl
1,671 births
Mitzy Girl
#8517 1,247 births
Mitchell Girl
1,128 births
Compare Mitsuko side by side: Mitsuko vs Mitzi Mitsuko vs Mittie Mitsuko vs Mitzie
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1911–1981 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Mitsuko: Baby Name Since 1911 - 565 Births, Peak 1919." NameAlmanac. Accessed via https://namealmanac.com/name/mitsuko. Licensed CC BY-SA 4.0.
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 Mitsuko 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 June 2026.