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2025 data, released 8 May 2026

Kooper

Kooper was the 1024th most popular name for boys in 2025, given to 218 babies. Its best year was 2022, when it ranked 980th with 230 babies. Over the last ten years it has moved down 10 places. More babies were named Kooper in the 2010s than in any other decade.

Meaning (as Cooper) barrel maker (surname) · English

Rank in 2025
#1,024 boys, up 88 places since 2020
Babies in 2025
218boys
Girls and boys
9% girls, 91% boys2021–2025
Peak year
2022230 babies
Total since 1880
4,392babies recorded

What does the name Kooper mean?

Kooper is a spelling of Cooper, pronounced the same way, so it shares Cooper's meaning and origin.

Cooper is an English occupational surname for a cooper, someone who made barrels and casks. As a first name it is a modern transfer from the surname.

cooper (English, “maker of barrels”)

How sure is this? Well established.

See also: English names, names from occupations.

Sources for this meaning

Kooper popularity since 1880

0125250375500 1900192019401960198020002020
GirlsBoys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Rank (boys)Babies (girls)Babies (boys)
2025#4,822#1,02428218
2020#8,696#1,11212177
2010#8,521#1,12514167
2000—#3,713—22
1990—#8,879—5
1980————
1970————
1960————
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1910————
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1890————
1880————

How popular is Kooper, counting every spelling?

Kooper is a spelling of Cooper, a name family that ranked #30 for boys in 2025 once every spelling is counted together, compared with #1,024 for Kooper on its own. Together these spellings went to 7,690 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Cooper7,472#2728,936
Kooper218#1,0241,055
Kuiper——46

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Kooper?

218 of the 3,606,400 babies born in the US in 2025 were named Kooper (0.06 per 1,000 births). For a boy named Kooper born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 39 (of 430 pupils) would have a child named Kooper.

Chance of another Kooper in a class of 20under 1 in 50US, born 2025
Most likely inIdahounder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Kooper?

About 4,000 people born in the US named Kooper are alive today, with a median age of 11; half are between 5 and 16. That makes Kooper a young name: most people with it are children.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Kooper by state

How common Kooper was among boys born in each state in 2021–2025. It is notably more common than nationally in Oklahoma (4.7×), Iowa (3.0×), Missouri (2.7×), Louisiana (2.2×), Kentucky (2.1×). In 23 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: 0.14 per 1,000 babiesWI0.14Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: 0.12 per 1,000 babiesWA0.12Idaho: 0.24 per 1,000 babiesID0.24Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: 0.08 per 1,000 babiesMN0.08Illinois: 0.07 per 1,000 babiesIL0.07Michigan: 0.05 per 1,000 babiesMI0.05New York: 0.03 per 1,000 babiesNY0.03Massachusetts: fewer than 5 a yearMA–Oregon: fewer than 5 a yearOR–Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: 0.36 per 1,000 babiesIA0.36Indiana: 0.22 per 1,000 babiesIN0.22Ohio: 0.24 per 1,000 babiesOH0.24Pennsylvania: 0.04 per 1,000 babiesPA0.04New Jersey: fewer than 5 a yearNJ–Connecticut: fewer than 5 a yearCT–Rhode Island: fewer than 5 a yearRI–California: 0.05 per 1,000 babiesCA0.05Utah: 0.13 per 1,000 babiesUT0.13Colorado: fewer than 5 a yearCO–Nebraska: 0.25 per 1,000 babiesNE0.25Missouri: 0.33 per 1,000 babiesMO0.33Kentucky: 0.26 per 1,000 babiesKY0.26West Virginia: fewer than 5 a yearWV–Virginia: fewer than 5 a yearVA–Maryland: fewer than 5 a yearMD–Delaware: fewer than 5 a yearDE–Arizona: 0.03 per 1,000 babiesAZ0.03New Mexico: fewer than 5 a yearNM–Kansas: 0.09 per 1,000 babiesKS0.09Arkansas: 0.30 per 1,000 babiesAR0.30Tennessee: 0.12 per 1,000 babiesTN0.12North Carolina: 0.06 per 1,000 babiesNC0.06South Carolina: fewer than 5 a yearSC–District of Columbia: fewer than 5 a yearDC–Oklahoma: 0.58 per 1,000 babiesOK0.58Louisiana: 0.26 per 1,000 babiesLA0.26Mississippi: 0.19 per 1,000 babiesMS0.19Alabama: 0.23 per 1,000 babiesAL0.23Georgia: 0.06 per 1,000 babiesGA0.06Hawaii: fewer than 5 a yearHI–Texas: 0.18 per 1,000 babiesTX0.18Florida: 0.04 per 1,000 babiesFL0.04
Babies per 1,000 of the same sex, Kooper, boys, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Kooper: their share of US boys followed the most similar curve since 1880. If you like Kooper, they share its era and feel.

Questions about the name Kooper

What does Kooper mean?

Kooper is a spelling of Cooper, which means “barrel maker (surname)” (English origin). Certainty: well established.

How popular is the name Kooper?

Kooper was the 1024th most popular name for boys in 2025, given to 218 babies. Its best year was 2022, when it ranked 980th with 230 babies. Over the last ten years it has moved down 10 places. More babies were named Kooper in the 2010s than in any other decade.

Is Kooper a boy or girl name?

In 2021–2025, 9% girls, 91% boys given the name Kooper in the US.

Where is Kooper most popular?

In 2021–2025, Kooper was most common in Oklahoma (0.58 per 1,000 boys), followed by Iowa and Missouri.