Katy Girl

How popular is Katy?

#2,691 girl name in 2025

64 baby girls were named Katy in the US in 2025, making it the 2691st most popular girl name.

Compare with other names
18,362living people named Katy (est.)
39median age of people named Katy
20,957babies named Katy since 1880
1 in 51,802US babies born in 2025

Katy popularity over time

0400800 18801900192019401960198020002020

Boys Girls

Rank in 2025#2,691 for girls (▼ 229 from 2024)
Babies in 202564 girls
10-year trendFalling fast (-55% babies vs 2015)
Earlier ranks#1,545 in 2015, #2,196 in 2020
Peak year1987 (674 girls)
Highest rank#351 in 1987
First recorded1880
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Katy counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Katie family of names ranked #540 for girls in 2025 (#472 the year before), with 537 babies in all.

SpellingGirls in 2025Share
Katie 447 83%
Katy 64 12%
Katty 5 1%
Catie 6 1%
Kattie 7 1%
Caty 8 1%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Where Katy is most popular

Babies named Katy per 1,000 girls born in each state, 2021 to 2025. Darker means more common.

  1. Pennsylvania: 0.1 per 1,000 (22 girls)
  2. Texas: 0.1 per 1,000 (73 girls)
  3. California: 0.1 per 1,000 (44 girls)
  4. Ohio: 0.1 per 1,000 (12 girls)
  5. Indiana: 0.0 per 1,000 (5 girls)

Katy by decade

DecadeBaby girlsBest rank
1880s54#679
1890s123#758
1900s184#688
1910s356#858
1920s538#907
1930s543#775
1940s706#786
1950s935#757
1960s1,445#751
1970s2,473#444
1980s5,926#351
1990s3,486#510
2000s2,212#933
2010s1,491#1,196
2020s480#2,142

Girl names about as popular as Katy

Questions

Is Katy a boy or girl name?
Katy is mostly a girl name. Over the last 10 years, 100% of babies named Katy were girls.
How popular is the name Katy?
64 baby girls were named Katy in the US in 2025, making it the 2691st most popular girl name.
When was Katy most popular?
Katy peaked in 1987, when 674 girls were given the name. Its highest rank was #351 in 1987.
How many people are named Katy?
20,957 babies have been named Katy in the US since 1880. We estimate about 18,362 of them are alive in 2026, with a median age of 39.
Where is Katy most popular?
From 2021 to 2025, Katy was most common in Pennsylvania, at 0.1 of every 1,000 girls born there.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.