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Kathy

Girl name · Celtic Gaelic · English · Greek · Irish

Meaningpure · English form of Katherine

US rank
#3,249
Syllables
2
Peak
#14 in 1958

48 babies were named Kathy in the US in 2025. It has dropped 1,079 places in five years.

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US births per million girls, 1910–2025

06,00012,00019101920196020002025

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Kathy you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

Kathy Acker

Famous Kathy

Kathy Acker

American novelist, playwright, essayist, and poet (1947–1997)

Choose Kathy and your child shares a first name with Kathy Acker, an American novelist, playwright, essayist, and poet. A ready-made answer when someone asks “Kathy, like who?” Kathy Acker's Wikipedia article is available in 40 languages, a good sign of just how widely known they are.

Read about Kathy Acker on Wikipedia (opens in a new tab)

Photo: CorkyPleasures, CC BY-SA 4.0 (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 33,445 baby girls born in the US in 2025 was named Kathy, 48 babies in all. In a typical school of 500 kids, your Kathy would very likely be the only one.
  • HistoryKathy first shows up in US birth records in 1910, the first year at least 5 babies got it. It has been in use for 115 years since.
  • Best yearIt was far more popular in 1958, when it ranked #14. Today it's #3,249, so it could be due a comeback.
  • Then vs nowKathy was 7.0× more common in 2000 than it is today. In 2000 it was given to about 1 in 4,792 baby girls; in 2025, about 1 in 33,445.
  • TrendKathy has slipped 1,079 places over the last five years and now sits at #3,249. Good news if you want a familiar name that fewer kids will share.
  • MeaningKathy is an English form of Katherine, which means “pure”. Our records link it to Celtic Gaelic, English and Greek roots.

About the name Kathy

Kathy is a girl name of Celtic Gaelic, English and Greek origin meaning “pure”. It has 5 letters and 2 syllables, starting with K and ending in “-thy”. US birth records list Kathy for girls from 1910 to 2025, in 113 of those 116 years. Its best year was 1958, when it ranked #14 among girl names. In 2025 it ranked #3,249, with 48 babies.

Origin:Celtic Gaelic namesEnglish namesGreek namesIrish names

Kathy for girls, by decade
DecadeBabies per millionAbout 1 in
1910s6.4156,986 girls
1920s1759,737 girls
1930s1178,573 girls
1940s2,227449 girls
1950s8,115123 girls
1960s5,365186 girls
1970s1,445692 girls
1980s4092,443 girls
1990s2394,180 girls
2000s1646,104 girls
2010s7912,721 girls
2020s4124,223 girls

More Celtic Gaelic girl names

Questions about the name Kathy

What does the name Kathy mean?

Kathy means “pure” in English, as a form of Katherine.

What is the origin of the name Kathy?

Kathy has Celtic Gaelic, English, Greek, Irish roots in our records. Other Celtic Gaelic names include Hazel, Genevieve, Brianna.

Is Kathy a boy or girl name?

Kathy is a girl name.

How popular is the name Kathy?

Kathy ranked #3,249 for US girls in 2025, given to 48 babies. Its best year was 1958 (#14).