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Given name

Tetsuo

Tetsuo is a masculine given name from Japanese.

Original Japanese哲生

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Meaning & origin

Where it comes from

Tetsuo comes from Japanese.

Adapted from Wiktionary (CC BY-SA 4.0)

How it developed

From Japanese てつお (Tetsuo).

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1915. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Tetsuo through the years

Babies since 1880
268
268 boys · 0 girls
Most popular year
1924
26 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
0102030192019401960198020002025Highest share 19240.0
Tetsuo in U.S. Social Security birth records, 1915–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

By the numbers

The most recent published U.S. birth count for boys is 5 in 1944. Later missing counts do not mean the name went unused. Its largest published annual count for boys was 26 in 1924. Published U.S. population figures for this spelling include 210 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Tetsuo’s family of names

In Japanese usage, Tetsuo is a Roman-alphabet rendering of てつお. In English usage, Tetsuo was borrowed from the Japanese form てつお. In Japanese usage, Tetsuo is a Roman-alphabet rendering of 哲夫.

Walk Tetsuo’s family in the name graph

Tetsuo哲生哲夫哲男哲朗哲雄哲緒鉄男鉄雄鉄緒徹男

The ring: spellings.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Spellings & scripts 14

The same name written differently, including transliterations into other scripts.

Show 6 moreShow fewer

People named Tetsuo

Listed by how widely each person is written about, which says nothing about the name itself.

Similar names

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Katsumi is a masculine given name from Japanese.

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Sibling ideas

Names that share Tetsuo’s feel without repeating its first letter or rhyming with it.

A brother for Tetsuo

A sister for Tetsuo