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Koby

#2,174 in 2025Boys' name

Variant of Coby

Koby has been given to 6,135 babies in the U.S. since 1958. In 2025 it ranked #2,174 of 13,926 boys’ names in use. Its peak year was 2000, with 411 recorded.

Babies named Koby, 2025

1 in 50,200

Koby over time, 1880–2025

BoysGirls
020040060018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Koby: meaning, origin, and history

Variant of Coby

Deeper origin not confirmed in the cited records

What Koby means

Koby is a variant of Coby.

Related names and everyday forms

Related names include Coby.

American usage and historical context

In the United States, 6,038 boys were recorded with the name Koby between 1958 and 2025. Its highest annual count was 411 in 2000; its best national rank was #533 in 2000.

Over 5 years its rank fell, from #1,596 in 2020 to #2,174 in 2025. Over 10 years its rank fell, from #1,519 in 2015 to #2,174 in 2025.

In the United States, 97 girls were recorded with the name Koby between 1976 and 2024. Its highest annual count was 8 in 2000; its best national rank was #10,027 in 1976.

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.

How common is Koby?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 50,200
66 of 3,315,165 births
Among boys only
1 in 25,900
<0.01% of boys
Rank, 2025
#2,174
of 13,926 boys’ names in use
Coin-flip room size
34,818 kids
Even odds of a second one

Where Koby 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 2025 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 34,818 children born in 2025 and it's an even bet that one of them is another Koby. In a class of 30 the chance is Under 1%.

When Kobys were born

Half of everyone ever recorded as Koby was born before 2002 — so the typical Koby is around 23 today.

Median birth year
2002
About 23 years old
Biggest decade
2000s
42.4% of all use
Born in the last 25 years
61.0%
A modern name
Recorded since 1950
6,038
People you could plausibly meet
Choose a decade

2000s — 42.4% of all recorded uses (2,562).

Is Koby 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
−104
Places dropped
Rank vs 5 years ago
−578
Places dropped
Rank vs 10 years ago
−655
Places dropped
Births vs 10 years ago
0.61×
Fewer babies than then
Share of its own peak
16.1%
Peak was 2000 (411)
Years since peak
25
Years
Year-to-year steadiness
Steady
10.8% average annual change
Best rank ever
#533
2000

Spellings of Koby

Koby is not the most common spelling — Roy is, with 20.7% against Koby's 0.31%.

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 Koby is used

Across 2016–2025, Koby was most concentrated in Georgia — about 1 in 14,286 boys, against 1 in 29,856 across all states with data. It was least common in New Jersey (1 in 100,000).

17 per 100,000

Most concentrated

  1. 1Georgia1 in 14,286
  2. 2Texas1 in 20,000
  3. 3Alabama1 in 25,000
  4. 4Florida1 in 25,000
  5. 5New York1 in 25,000
  6. 6Tennessee1 in 25,000
  7. 7Illinois1 in 33,333
  8. 8Ohio1 in 33,333

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.

Koby around the world

Where Koby 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
    1997–2025
    #621
    in 2025
  • Scotland
    2005–2025
    #495
    in 2025
  • Northern Ireland
    2009–2024
    #404
    in 2024
  • Ireland
    2013–2025
    #509
    in 2025
  • France
    2019–2020
    #5,480
    in 2020
  • Canada
    1992–2024
    #1,390
    in 2024
  • South Australia
    1977–2013
    #202
    in 2013
  • New South Wales
    2008–2011
    #100
    in 2011

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 Canada, Consumer and Business Services (South Australia) and NSW Registry of Births, Deaths & Marriages. ONS, NRS, NISRA data under Open Government Licence v3.0. CSO, CBS SA, NSW BDM data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Notable people named Koby

People whose public names include Koby, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Koby by the numbers

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

As a boy's name

Rank in 2025
#2,174
Trend vs 5 yrs ago
Down 578
Best rank ever
#533
2000
Peak year
2000
411 that year
First recorded
1958
Last recorded
2025
All-time count
6,038
Count in 2025
66

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#10,027
1976
Peak year
2000
8 that year
First recorded
1976
Last recorded
2024
All-time count
97
Count in 2025
Under 5

Names similar to Koby

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

KobiKobeCobyKobieRobyTobyKobeyJacobyJakobyJobyKobynKobaKobeeBobyKobenKobinHobyKobainKobbyKobinaKobraKobeiObyJocoby

Names with a curve like Koby

Not spelling — timing. These names rose, peaked and faded in the same years as Koby, so they read as being from the same moment even when they look nothing alike.

KeshawnShamarKevonLatrellTyreseDevynMaximillianKeyshawnJaylonDallinJarenTrevion

Sibling names for Koby

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 Koby

Top names of 2000, Koby's peak yearThe 2000s in fullOther names that peaked in 2000Boys' names starting with K