Baby Names US
boys' name ★ peaked 1922

Tadashi

Gender Boy Rank 2025 #7,620
Rank 2025
#7,620
among boys · ↑1,283 vs 2024
Babies in 2025
11
named Tadashi
How common
1 in 155,280
boys born in 2025
Peak year
1922
35 babies
All-time total
676
#6,586 all-time among boys
First recorded
1912
in Social Security records

Tadashi popularity over time

676 babies have been named Tadashi since 1912, according to official Social Security records. Switch measure to see births per year or the yearly rank.

Measure
Births per 1,000 babies of that sex, comparable across eras
0.010.020.030.0418801900192019401960198020002020Peak 1917Boys

By decade. Change compares yearly averages, so the current partial decade is on equal footing. Best rank is the name's best yearly rank within the decade.

Decade Boys Per year Change Best rank
1880s – – – –
1890s – – – –
1900s – – – –
1910s 156 16 – #1,169
1920s 255 26 +63% #1,240
1930s 81 8 -68% #1,922
1940s 6 1 -93% #3,526
1950s – – – –
1960s – – – –
1970s 20 2 – #4,374
1980s 13 1 -35% #5,552
1990s 7 1 -46% #7,085
2000s 15 2 +114% #13,106
2010s 53 5 +253% #6,274
2020s (to 2025) 70 12 +120% #5,014

The story of Tadashi

Tadashi is rare for boys in the United States, ranked #7,620 in 2025 with 11 babies given the name. It is currently rising compared with a decade ago.

Since 1912, 676 American babies have been named Tadashi. Its peak came in 1922, when 35 newborns received the name, the signature sound of the 1920s.

The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Tadashi stood among all boys' names in any year, or use the compare tool to plot it against other names.

How old are people named Tadashi?

The median living Tadashi is about 9 years old; half are between 4 and 35. An estimated 200 people named Tadashi are alive in the United States today.

median 9 020406080100

Estimated from births per year and Social Security period life tables; an approximation of the living age distribution, by age in years.

Tadashi year by year

Every year since 2001, and five-year steps back to 1880. Rank is within each sex.

Year Boys Boys rank
2025 11 #7,620
2024 9 #8,903
2023 10 #8,186
2022 8 #9,726
2021 13 #6,632
2020 19 #5,014
2019 6 #11,959
2018 10 #8,083
2017 10 #8,068
2016 13 #6,679
2015 14 #6,274
2014 – –
2013 – –
2012 – –
2011 – –
2010 – –
2009 – –
2008 5 #14,343
2007 5 #14,132
2006 – –
2005 5 #13,106
2004 – –
2003 – –
2002 – –
2001 – –
2000 – –
1995 – –
1990 7 #7,085
1985 – –
1980 – –
1975 – –
1970 5 #5,356
1965 – –
1960 – –
1955 – –
1950 – –
1945 – –
1940 – –
1935 13 #2,119
1930 14 #2,166
1925 23 #1,625
1920 31 #1,318
1915 19 #1,655
1910 – –
1905 – –
1900 – –
1895 – –
1890 – –
1885 – –
1880 – –

Famous people named Tadashi

The most globally famous bearers of the name, ranked by fame across Wikipedia editions (Pantheon project, MIT).

  1. 1 Tadashi Yanai Tadashi Yanai Japanese billionaire retailer b. 1949 · Contemporary
  2. 2 Tadashi Imai Tadashi Imai Japanese film director (1912–1991) Contemporary
  3. 3 Tadashi Takeda Japanese footballer b. 1986 · Contemporary
  4. 4 Tadashi Nakamura Japanese footballer and manager b. 1971 · Contemporary
  5. 5 Tadashi Koya Japanese footballer (born 1970) Contemporary

Portraits from Wikipedia (Wikimedia Commons).

Frequently asked questions

Quick answers about Tadashi, drawn from the same Social Security data as the charts above.

How old is the average Tadashi?

The median living Tadashi is about 9 years old. Half of all living Tadashis are between 4 and 35 years old.

How many people named Tadashi are alive today?

An estimated 200 people named Tadashi are alive in the United States, based on 676 recorded births and Social Security life tables.

How popular is the name Tadashi in 2025?

Tadashi ranked #7,620 among boys' names in the United States in 2025, with 11 babies given the name, according to Social Security Administration data.

How many people are named Tadashi?

676 babies have been named Tadashi in the United States since 1912, based on Social Security card applications.

When was the name Tadashi most popular?

Tadashi peaked in 1922, when 35 newborns received the name.

Is Tadashi a boy or girl name?

Tadashi is overwhelmingly a boy's name: 100% of babies with the name.

Is the name Tadashi rising or falling?

Tadashi is on the rise, noticeably more popular now than a decade ago.

Who are famous people named Tadashi?

Well-known people named Tadashi include Tadashi Yanai (businessperson), Tadashi Imai (film director), Tadashi Takeda (soccer player).

Names like Tadashi

Names that sound and feel close to Tadashi: shared sounds, similar era, similar popularity. Each links to its full history.

Compare Tadashi with similar names → More names starting with T →