The nameKaty

Katy is a friendly pet form of Katherine. It was a top 120 name in England and Wales in 1996.

Meaning

Katy comes from Katherine, often linked to the Greek katharos, "pure".

Origin

Greek, through English.

History

In England and Wales Katy reached 111th in 1996. Katy Perry made it a pop name.

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Famous people named Katy

Popularity of the name Katy

Katy in the United States

2467thmost popular girls' name in the United States in 2024
1987peak year (674 births)
20,891babies named Katy in the United States since 1880
0337674 18801900192019401960198020002020
Births per year in the United States. Source: Social Security Administration, names given at least 5 times a year.

Katy was most popular in the United States in the 1980s, with 5,931 births over the decade, 28% of all recorded babies named Katy. Its rise began around 1939, and it peaked in 1987. Half of all babies named Katy in the United States were born before 1985, so it is mostly a parents' generation name. Over the last five years on record, it has been falling: 83 births a year on average, against 119 in the five years before.

Katy in the United Kingdom

3247thmost popular girls' name in the United Kingdom in 2025
1998peak year (431 births)
5,529babies named Katy in the United Kingdom since 1997
0216431 200020052010201520202025
Births per year in the United Kingdom. Source: ONS, NRS and NISRA (England, Wales, Scotland, Northern Ireland), names given at least 3 times a year.

Katy was most popular in the United Kingdom in the 2000s, with 3,173 births over the decade, 57% of all recorded babies named Katy. Half of all babies named Katy in the United Kingdom were born before 2004. Over the last five years on record, it has been falling: 11 births a year on average, against 48 in the five years before.

Katy in France

5155thmost popular girls' name in France, latest official figures
1975peak year (390 births)
6,680babies named Katy in France since 1900
0195390 1900192019401960198020002020
Births per year in France. Source: Insee, French national statistics office, latest official figures. Rounded numbers.

Variants and related names

Sibling names for Katy

Names from the same generation as Katy, whose popularity in the United States has followed a similar path.

How many people are named Katy? See the counter → · What would your name be in 1950? · Name origin quiz

Compare Katy with another name

Meaning, origin and popularity of Katy side by side with the name of your choice.

Katy in our baby name lists

Frequently asked questions

What does the name Katy mean?

Katy comes from Katherine, often linked to the Greek katharos, "pure".

What is the origin of the name Katy?

Greek, through English.

Is Katy a girl's or a boy's name?

Katy is a girl's name.

How popular is the name Katy?

In 2024, Katy was the 2467th most popular name for baby girls in the United States, with 73 births.

What are the variants of the name Katy?

Variants and related names of Katy include Catherine and Katherine.

What are good sibling names for Katy?

Names from the same generation, with a similar popularity in the United States: Tess, Sonia, Melia and Stacy for a sister, Jerome, Sébastien, Stephan and Denis for a brother.

Who are famous people named Katy?

Katy Perry, singer; Katy Hill, television presenter.