Given name & surname

Kathy

“one who is pure; virginal”

In English use, Kathy is a diminutive of Katherine. In Greek use, Katherine carries the interpretation “one who is pure; virginal.”

Meaning & origin

What it means

In English use, Kathy is a diminutive of Katherine. In Greek use, Katherine carries the interpretation “one who is pure; virginal.”

Explained through its name family

How it developed

In Filipino usage, Kathy is a diminutive of Kathleen.

The story

Published U.S. birth records include this spelling as early as 1910. This is the earliest published observation available here, rather than a date for the name’s origin. In English use, Kathy is a diminutive of Katherine. The history of Katherine gives this family its wider story. Katherine’s historical associations include Catherine de’ Medici, wife of King Henry II and regent.

Combines direct and name-family evidence

Kathy through the years

Babies since 1880
334,870
739 boys · 334,131 girls
Most popular year
1958
23,983 babies
2025
48
#3,274 for girls
2021–25 vs 2016–20
−39%
Cooling
05,00010K15K192019401960198020002025Highest share 195830
Kathy in U.S. Social Security birth records, 1910–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Where it’s given

Most at home inPennsylvania, California
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: Pennsylvania (5), California (9).

By the numbers

In 2025, this name appeared in 48 U.S. birth records for girls, ranking No. 3,274 among girls’ names. Average annual use for girls was 38.7% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 23,938 in 1958. In 2025, California had the largest reported state-level birth count for girls with this name (9). Published U.S. population figures for this spelling include 288,053 as a first name in 2020; 120 as a surname in 2000.

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

Kathy’s family of names

In Filipino usage, Kathy is a diminutive of Kathleen. Kathy has a related form in Katherine. In English usage, Kathy is a diminutive of Katherine.

Walk Kathy’s family in the name graph

Kathy캐시KatherineKathleenCathyKathieKathiCathieCathiKathyeKatheeKatthyCatherineCatalinaKateKatieKatrinaKarinKatarinaCatarinaKatiaKatyCaterinaEkaterinaKatharinaCathrynKatarzynaCatharineCatharinaKatjaKatheKatKathaKatrinKatalinEkaterine

Inner ring: spellings · middle: nicknames and forms · 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.

Around the world

Kathy has relatives in 3 languages.

PotawatomiEnglishTagalog

9 related names in 3 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Similar names

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

Royal

Kathrine

“one who is pure; virginal”

20RareEasing

>99% girls

Greek · Royal

Karen

“one who is pure; virginal” · “one who is pure; chaste”

46UncommonCooling

1% boys · 99% girls

Royal

Katri

“one who is pure; virginal”

0Not recently recorded

>99% girls

English · Royal

Candy

“a queen” · “one who is white and glowing”

26RareEasing

>99% girls

Royal

Ketty

“one who is pure; virginal” · “of the cauldron”

0Not recently recorded

>99% girls

Royal

Kath

“one who is pure; virginal”

0Not recently recorded

>99% girls

Royal

Vicky

“victory”

28RareCooling

>99% girls

Royal

Carlotta

“free man” · “a small, strong woman”

28RareRising fast

>99% girls

Sibling ideas

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

A brother for Kathy

A sister for Kathy