How rare is the name Koby?

5,231 people in the United States have the first name Koby, about 1 in 57,739. It ranks #3,790 of 53,615 first names in the 2020 Census, tied with 1 other.

first name

KOBY

#3,790

of 53,615 first names recorded in the 2020 Census

People
5,231
About
1 in 57,739
This common or more
83%
Who bears it

Of the 5,231 people named Koby, 64.4% reported their origin as White, 13% as Black and 8.8% as Hispanic or Latino. 96.1% are male. These count how people described themselves on the 2020 Census, not where the name comes from.

Koby peaked in 2000, when 419 babies got the name.

Births per year, SSA records 1880–2025
19582025
Peak year
2000
Births that year
419
In 2025*
66 ▼84%
Recorded as
almost entirely male

At least 6,135 babies have been given the name since 1958. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.

Koby by decade

Among all names given to American babies, its best decade was the 2000s, when it ranked #1,698. The largest share of babies named Koby, 62.7%, were born between 1997 and 2012, as Generation Z.

1950s#12,23212
1960s#8,75754
1970s#5,553189
1980s#4,941291
1990s#2,1421,417
2000s#1,6982,597
2010s#3,3971,072
2020s#3,986503
Baby boom 1946–640.6%
Generation X 1965–803.9%
Millennials 1981–9613.2%
Generation Z 1997–1262.7%
2013 and later19.6%

Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.

Where Koby is most common

Compared with all babies born in each state since 1910, Koby has been most common in Idaho (3.2×), Oklahoma (2.9×), and Louisiana (2.8×), and least common in Michigan (0.43×).

3,701 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.

Exactly as common as Koby

1 other first name also has 5,231 people.

#3,790 Savana · 5,231

Either side of Koby

#3,787 Miss · 5,235#3,789 Eman · 5,233#3,790 Savana · 5,231#3,792 Emmie · 5,227

Spelled almost the same

3 first names in the 2020 Census spelled within a letter or two of Koby, most common first.

#1,883 Kobe · 15,211#7,170 Kobi · 2,149#18,929 Kobey · 565

Also a last name

As a last name, Koby ranks #42,533 of 156,621, with 549 people. See Koby as a last name

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