Given name & surname

Tadei

Tadei is used as a given name and a surname.

Meaning & origin

A reliable meaning for Tadei isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.

The story

Published U.S. birth records include this spelling as early as 2023. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Tadei through the years

Babies since 1880
23
23 boys · 0 girls
Most popular year
2024
11 babies
2025
7
#10,546 for boys
2021–25 vs 2016–20
—
Too few births to compare
024682025Highest share 20244.1
Tadei in U.S. Social Security birth records, 2023–2025, 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

In 2025, this name appeared in 7 U.S. birth records for boys, ranking No. 10,546 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison.

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

TadeiTadeoThaddeusTadeuszThaddaeusTadej

The ring: across languages.

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

Across languages 5

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Tadei, these share its style, era, origin or sound, from outside its own family.

Japanese · Modern

Tanjiro

“the prized second-born son”

11Very rareRising fast

>99% boys

Modern

Tawaf

0Not recently recorded

>99% boys

Modern

Aadhi

“child of the beginning”

13Very rareEasing

>99% boys

Modern

Tyzir

22RareRising fast

>99% boys

Modern

Rasai

11Very rare

>99% boys

Modern

Tyland

19Very rareRising fast

>99% boys

Modern

Amael

19Very rareRising fast

>99% boys

Modern

Aazir

16Very rareRising fast

>99% boys

Sibling ideas

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

A brother for Tadei

A sister for Tadei