Tadeo vs Tadashi

Side-by-side comparison of Tadeo and Tadashi — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Tadeo

Boy name · Rank #412

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Name B

Tadashi

Boy name · Rank #8334

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Which name is more popular?

Metric Tadeo Tadashi
Current Rank #412 #8334
Total Births (all years) 5,089 665
Peak Year 2024 1922
Peak Year Births 781 35
Peak Decade 2020ss 1920ss
Gender Boy Boy
First Recorded Year 1968 1912

Births by Decade

Decade Tadeo Tadashi
1910ss — 156
1920ss — 255
1930ss — 81
1940ss — 6
1960ss 5 —
1970ss — 20
1980ss 19 13
1990ss 53 7
2000ss 348 15
2010ss 1,847 53
2020ss 2,817 59

Recent Annual Births (2014–present)

Year Tadeo Tadashi
2014 189 —
2015 189 14
2016 221 13
2017 266 10
2018 266 10
2019 331 6
2020 361 19
2021 465 13
2022 568 8
2023 642 10
2024 781 9

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1968–2024.

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