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Bartosz

Boys' name

Form of Bartholomew

Bartosz has been given to 226 babies in the U.S. since 1991. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2009, with 24 recorded.

Babies named Bartosz, 2012

1 in 366,000

Bartosz over time, 1880–2025

Boys
010203018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Bartosz: meaning, origin, and history

Form of Bartholomew

Deeper origin not confirmed in the cited records

What Bartosz means

Bartosz is a form of Bartholomew.

Documented naming usage and pronunciation

Bartosz is used in Polish.

Another recorded pronunciation is /ˈbar.tɔʂ/ for Bartosz.

Meaning behind the documented name family

The name developed through Bartosz → Bartholomew. The family’s proposed meaning is “son + Talmai; Ptolemy”, recorded in English with the source elements בר and תלמי.

Related names and everyday forms

Related names include Bartholomew and Bartłomiej.

Pronunciation and spelling

In Polish, Bartosz is pronounced /ˈbar.tɔʂ/.

American usage and historical context

In the United States, 226 boys were recorded with the name Bartosz between 1991 and 2012. Its highest annual count was 24 in 2009; its best national rank was #4,062 in 2005.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Bartosz?

Bartosz had fewer than 5 recorded uses in 2025, so these figures use 2012, the last year it was published.

Among all babies, 2012
1 in 366,000
10 of 3,657,590 births
Among boys only
1 in 190,000
<0.01% of boys
Rank, 2012
Unranked
Fewer than 5 uses
Coin-flip room size
253,526 kids
Even odds of a second one

Where Bartosz sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2012 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 253,526 children born in 2012 and it's an even bet that one of them is another Bartosz. In a class of 30 the chance is Under 1%.

When Bartoszs were born

Half of everyone ever recorded as Bartosz was born before 2005 — so the typical Bartosz is around 20 today.

Median birth year
2005
About 20 years old
Biggest decade
2000s
60.2% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
226
People you could plausibly meet
Choose a decade

2000s — 60.2% of all recorded uses (136).

Is Bartosz rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2009 (24)
Years since peak
16
Years
Year-to-year steadiness
Volatile
45.0% average annual change
Best rank ever
#4,062
2005

Spellings of Bartosz

Bartosz is not the most common spelling — Barton is, with 89.2% against Bartosz's 2.2%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Bartosz is used

Across 1910–2025, Bartosz was most concentrated in Illinois — about 1 in 100,000 boys, against 1 in 242,870 across all states with data. It was least common in New York (1 in —).

01 per 100,000

Most concentrated

  1. 1Illinois1 in 100,000
  2. 2New York1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Bartosz has too little recent state data to map, so this covers all years from 1910.

Bartosz around the world

Where Bartosz ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    2001–2023
    #2,547
    in 2023
  • Scotland
    2006–2018
    #595
    in 2018
  • Northern Ireland
    2007–2011
    #245
    in 2011
  • Ireland
    2005–2020
    #741
    in 2020
  • France
    2007–2019
    #5,562
    in 2019
  • Norway
    1880–2012
    #492
    in 2012
  • Canada
    1993–1993
    #1,253
    in 1993
  • South Australia
    1986–2006
    #657
    in 2006

Popularity data from Office for National Statistics, National Records of Scotland, Northern Ireland Statistics and Research Agency, Central Statistics Office, Institut national de la statistique et des études économiques, Statistics Norway, Statistics Canada and Consumer and Business Services (South Australia). ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, SSB, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Bartosz by the numbers

The raw record for each sex the name is used for.

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#4,062
2005
Peak year
2009
24 that year
First recorded
1991
Last recorded
2012
All-time count
226
Count in 2025
Under 5

Names similar to Bartosz

Matched on shared beginnings and endings, similar length, and comparable popularity.

BarkleyBarnabyBarnesBarkonBarackBarakaBartoloBarlowBarkotBarrenBaranBaraaBarnabasBarnetBarnellBarettBarucBarokBarrickBarretBarnardBartowBarclayBaretta

Sibling names for Bartosz

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Bartosz

Top names of 2009, Bartosz's peak yearThe 2000s in fullOther names that peaked in 2005Boys' names starting with BPolish Boy Names