Kazuo
- #12,008 for boys in 2025, 5 births
- Peak · boys
- 1921 · 57 births
- Debut · boys
- 6 births
- In top 100 · boys
- neverof 146 years
- Total births · boys
- 762since 1911
Kazuo over time
boys
Rank among boys' names. Kazuo has never cracked the top 900 here.
Hover or use arrow keys to read values by year; click or press Enter to open that year.
Gaps mean fewer than 5 babies received the name that year, so the SSA doesn't publish it.
Show data table
| Year | boys | |
|---|---|---|
| rank | births | |
| 2025 | #12,008 | 5 |
| 2024 | — | |
| 2023 | — | |
| 2022 | — | |
| 2021 | — | |
| 2020 | — | |
| 2019 | — | |
| 2018 | — | |
| 2017 | — | |
| 2016 | — | |
| 2015 | — | |
| 2014 | — | |
| 2013 | — | |
| 2012 | — | |
| 2011 | — | |
| 2010 | — | |
| 2009 | #9,864 | 7 |
| 2008 | #9,871 | 7 |
| 2007 | #12,367 | 5 |
| 2006 | #12,055 | 5 |
| 2005 | — | |
| 2004 | — | |
| 2003 | — | |
| 2002 | — | |
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| 1945 | — | |
| 1944 | #3,430 | 5 |
| 1943 | #3,231 | 6 |
| 1942 | — | |
| 1941 | — | |
| 1940 | — | |
| 1939 | #3,113 | 6 |
| 1938 | #2,868 | 7 |
| 1937 | #3,175 | 6 |
| 1936 | #2,854 | 7 |
| 1935 | #2,029 | 13 |
| 1934 | #3,277 | 6 |
| 1933 | — | |
| 1932 | #1,584 | 20 |
| 1931 | #1,843 | 16 |
| 1930 | #1,463 | 25 |
| 1929 | #1,793 | 18 |
| 1928 | #1,647 | 21 |
| 1927 | #1,293 | 32 |
| 1926 | #1,296 | 31 |
| 1925 | #1,121 | 39 |
| 1924 | #1,204 | 36 |
| 1923 | #1,076 | 44 |
| 1922 | #958 | 53 |
| 1921 | #931 | 57 |
| 1920 | #1,045 | 44 |
| 1919 | #973 | 48 |
| 1918 | #1,012 | 44 |
| 1917 | #1,152 | 34 |
| 1916 | #1,206 | 30 |
| 1915 | #1,181 | 30 |
| 1914 | #1,492 | 17 |
| 1913 | #1,146 | 20 |
| 1912 | #1,417 | 12 |
| 1911 | #1,537 | 6 |
| 1910 | — | |
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| 1884 | — | |
| 1883 | — | |
| 1882 | — | |
| 1881 | — | |
| 1880 | — | |
First appearance
1911
The first year at least five boys were named Kazuo! It came in at #1,537, and was given to 6 baby boys.
Quietest stretch: 1933, when fewer than 5 boys a year got the name.
Where Kazuo is popular in 2025
No state had 5 or more boys named Kazuo in 2025, so the SSA doesn't publish it for any state.
See more about Kazuo
Momentum · boys
Brand new
- Biggest jump: 114 spots in 1921
- Biggest drop: 118 spots in 1923
Rise & fade · boys
10 yrs to peak
- Debuted 1911
- Peaked 1921 at #931 (57 births)
- Births halved by 1928, 7 yrs later
Top of the charts · boys
Top 1,000 for 3 yrs
- Top 10: never
- Top 100: never
- Top 1,000: 3 yrs · run 1921–1922
Share of babies · boys
1 in 19,324
- Highest: 1 in 19,324 boys born in 1921 were named Kazuo (0.01%)
- Latest: 1 in 341,615 boys born in 2025 (0.00%)
Era · boys
The 1920s
- 49.2% of all boys named Kazuo (375) were born in this decade
Show by decade
| Decade | Births | Best rank | Avg rank |
|---|---|---|---|
| 1910s | 241 | #973 (1919) | #1,235 |
| 1920s | 375 | #931 (1921) | #1,236 |
| 1930s | 106 | #1,463 (1930) | #2,467 |
| 1940s | 11 | #3,231 (1943) | #3,331 |
| 1950s | 0 | — | — |
| 1960s | 0 | — | — |
| 1970s | 0 | — | — |
| 1980s | 0 | — | — |
| 1990s | 0 | — | — |
| 2000s | 24 | #9,864 (2009) | #11,039 |
| 2010s | 0 | — | — |
| 2020s | 5 | #12,008 (2025) | #12,008 |
All figures count published births only (names given to at least 5 boys in a year). Registrations before 1937 are incomplete, so early shares and totals run low.
Want to check a specific year?
See where Kazuo ranked and which names it was up against. Click a point on the chart, or pick a year: