Kailey Girl

How popular is Kailey?

#1,417 girl name in 2025

153 baby girls were named Kailey in the US in 2025, making it the 1417th most popular girl name.

Compare with other names
26,969living people named Kailey (est.)
22median age of people named Kailey
27,254babies named Kailey since 1880
1 in 21,669US babies born in 2025

Kailey popularity over time

07501,500 18801900192019401960198020002020

Boys Girls

Rank in 2025#1,417 for girls (▼ 133 from 2024)
Babies in 2025153 girls
10-year trendFalling fast (-74% babies vs 2015)
Earlier ranks#531 in 2015, #847 in 2020
Peak year2004 (1,439 girls)
Highest rank#228 in 2004
First recorded1970
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.1% in a class of 25 kids born in 2025

Kailey counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kaylee family of names ranked #38 for girls in 2025 (#29 the year before), with 6,126 babies in all.

SpellingGirls in 2025Share
Kaylee 1,205 20%
Callie 1,754 29%
Kali 948 15%
Cali 518 8%
Kayleigh 340 6%
Kallie 279 5%
Kailey 153 2%
Kaylie 148 2%
Caylee 84 1%
Kailee 98 2%
Kaleigh 56 1%
Kaley 38 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 Kailey is most popular

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

  1. Florida: 0.2 per 1,000 (94 girls)
  2. Illinois: 0.2 per 1,000 (48 girls)
  3. New York: 0.2 per 1,000 (80 girls)
  4. Texas: 0.2 per 1,000 (150 girls)
  5. California: 0.2 per 1,000 (154 girls)

Kailey by decade

DecadeBaby girlsBest rank
1970s10#7,994
1980s1,006#661
1990s6,830#279
2000s11,836#228
2010s6,154#356
2020s1,408#847

Girl names about as popular as Kailey

Questions

Is Kailey a boy or girl name?
Kailey is mostly a girl name. Over the last 10 years, 100% of babies named Kailey were girls.
How popular is the name Kailey?
153 baby girls were named Kailey in the US in 2025, making it the 1417th most popular girl name.
When was Kailey most popular?
Kailey peaked in 2004, when 1,439 girls were given the name. Its highest rank was #228 in 2004.
How many people are named Kailey?
27,254 babies have been named Kailey in the US since 1880. We estimate about 26,969 of them are alive in 2026, with a median age of 22.
Where is Kailey most popular?
From 2021 to 2025, Kailey was most common in Florida, at 0.2 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.