Given name & surname · also Khmer

Koy

Koy is a surname from Khmer, ultimately from German.

Meaning & origin

Where it comes from

Koy comes from Khmer, and ultimately from German.

Adapted from Wiktionary (CC BY-SA 4.0)

How it developed

From Khmer គយ, from German Koy.

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1970. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Koy through the years

Babies since 1880
979
945 boys · 34 girls
Most popular year
1997
46 babies
2025
18
#5,319 for boys
2021–25 vs 2016–20
−5%
Steady
Boys Girls
0102030198020002025Highest share 1997Boys 11Girls 0.0
Koy in U.S. Social Security birth records, 1970–2025, per million births of each sex. 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 18 U.S. birth records for boys, ranking No. 5,319 among boys’ names. Average annual use for boys was 4.7% lower in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 46 in 1997. Published U.S. population figures for this spelling include 1,118 as a first name in 2020; 704 as a surname in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

KoyKoiCoy

Inner ring: spellings · 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.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

Across languages 1

Equivalents and cognates in other languages, plus older forms it grew from.

People named Koy

Listed by how widely each person is written about, which says nothing about the name itself.

Similar names

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

German · Modern

Kohl

“cabbage”

21RareEasing

>99% boys

German · Modern

Kush

Kush is a surname from German.

21RareEasing

>99% boys

German · Modern

Kray

“crow”

0Not recently recorded

>99% boys

German · Modern

Kolby

“a dark-haired man”

47UncommonSteady

84% boys · 16% girls

German · Modern

Kail

“a mighty warrior”

0Not recently recordedCooling

>99% boys

Macedonian · Modern

Trajan

“to last (to endure, continue over time)”

0Not recently recordedEasing

>99% boys

German · Modern

Zahn

Zahn is a surname from German, ultimately from Proto-Indo-European.

0Not recently recorded

>99% boys

German · Modern

Bismarck

Bismarck is a masculine given name from German. It is used in English, German, and Italian.

0Not recently recorded

>99% boys

Sibling ideas

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