Tadashi vs Tadeo

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

Name A

Tadashi

Boy name · Rank #8334

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Name B

Tadeo

Boy name · Rank #412

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

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

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, 1912–2024.

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