Given name & surname

Tomasz

“twin”

Tomasz is a form of Thomas. The original Aramaic byname means “twin.”

Meaning & origin

What it means

Tomasz is a form of Thomas. The original Aramaic byname means “twin.”

Explained through its name family

Where it comes from

Tomasz is a form of Thomas. Thomas developed from an Aramaic byname and reached wider use through its Greek biblical form.

Explained through its name family

How it developed

In Polish use, Tomasz is used as a form of THomas. Tomasz is a form of Thomas. The shared background comes through Thomas: The apostle is called Thomas and also Didymus in the New Testament. Didymus reflects the Greek word for “twin,” matching the meaning of the Aramaic byname behind Thomas.

Combines direct and name-family evidence

The story

Published U.S. birth records include this spelling as early as 1969. This is the earliest published observation available here, rather than a date for the name’s origin. Tomasz is a form of Thomas. The history of Thomas gives this family its wider story. Thomas was the name of one of Jesus’s twelve apostles, remembered in Christian tradition for his doubts and later reassurance. That story helped establish the name across Christian naming traditions.

Combines direct and name-family evidence

Tomasz through the years

Babies since 1880
776
776 boys · 0 girls
Most popular year
1995
29 babies
2025
5
#13,707 for boys
2021–25 vs 2016–20
−39%
Cooling
05101520198020002025Highest share 19952.9
Tomasz in U.S. Social Security birth records, 1969–2025, 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 5 U.S. birth records for boys, ranking No. 13,707 among boys’ names. Average annual use for boys was 39.0% lower in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 29 in 1995. Published U.S. population figures for this spelling include 4,598 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.

Tomasz’s family of names

In Polish usage, Tomasz has a diminutive in TOMASZEK. Tomasz developed from Thomas. In Polish usage, Tomasz has a conventional equivalent in the Danish form Tom.

Walk Tomasz’s family in the name graph

TomaszThomaszThomasTomekTomkoTomcioTomuśTomaszekTomeczekTommyTomasTomTommieTomiTommiTomaTommasoThomTomyTomazThomaTomsToomasTomasoTomosTomassoFomaKhomaTumaTumasKamakiTamásTomašas

Inner ring: spellings · middle: nicknames and forms · outer: 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.

Around the world

Tomasz has relatives in 37 languages.

HawaiianAbenakiGreenlandicIcelandicDanishPolishPersianChinese

38 related names in 37 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Dots on the border stand for languages further away. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Similar names

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

Hebrew · Modern

Tahan

“encampment”

0Not recently recorded

>99% boys

Hebrew · Modern

Abiezer

“my father is help” · “father of help”

0Not recently recorded

>99% boys

Hebrew · Modern

Nethaniah

“Yah has given”

0Not recently recorded

>99% boys

Modern

Jair

“God enlightens”

45UncommonSteady

>99% boys

Modern

Jadon

“he judges”

44UncommonSteady

>99% boys

Hebrew · Modern

Kaleb

“resembling an aggressive dog”

67FamiliarEasing

>99% boys

Modern

Tovias

0Not recently recorded

>99% boys

Modern

Toddrick

0Not recently recorded

>99% boys

Sibling ideas

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

A brother for Tomasz

A sister for Tomasz