Girls' name · since 1970
Kailey
Since 1970, U.S. Social Security records show 27,244 babies named Kailey, peaking in 2004. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #886 of 72,339
- all-time among girls
- #1,421 of 17,297
- 2025 SSA year
- 27,244
- born since 1970
- 2000s
- peak decade
Yes -- Kailey is the #1421 most popular girls' name in the U.S. today, with 27,244 recorded since 1970.
Kailey has 27,244 recorded births among girls since 1970, per the U.S. Social Security Administration, ranked #1421 as of the latest data, more common than 92% of girls, busiest in the 2000s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1970 to 2025.
- #886 of 72,339 all-time among girls
- #1,421 of 17,297 2025 SSA year
- 27,244 born since 1970
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Kailey ranks #886 of 72,339 girls' names by all-time recorded births (highest first) and #1,421 of 17,297 among girls' names in 2025. 27,244 born since 1970, peaking in the 2000s.
- #886 of 72,339
- all-time among girls
- #1,421 of 17,297
- 2025 SSA year
- 27,244
- born since 1970
- 2000s
- peak decade
Kailey's 27,244 recorded births place it above 98.77% of the 72,339 girls names in the full SSA archive.
49 jurisdictions carry state-level records, led by California.
How Kailey compares
27,244 Top 6% higher than 94% of 17,297 names currently given to girls
Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Kailey's all-time total is 72x the median girls name, and Olivia still leads by a wide margin.
| Metric | Kailey | Median girls name (Kyann) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 27,244 | 376 | 567,345 |
| Peak-year births | 1,439 | 21 | 19,840 |
Kailey's usage pattern, beyond the headline number
Splitting Kailey's full recorded timeline at 2002, 63% of its total births fall in the more recent half of the record versus 37% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1970, with just 5 recorded births -- worth weighing against the 2004 peak of 1,439 to see the full range of the name's swing in popularity.
Kailey popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1970–2025
- Peak year (2004)
- 1,439
- Annual births at peak, across 56 years of records
Kailey popularity over time - boys
10 total births recorded since 2004 (Kailey as boys' name)
Kailey by decade
2000s is the heaviest window (11,836 births, 43% of the file).
2000s was Kailey's strongest decade.
11,836 babies received the name during that ten-year window, about 43% of all-time use.
Kailey births by decade
Total births in each ten-year window
- 1970s 10
1970s
10 births
- 1980s 1,006
1980s
1,006 births
- 1990s
1990s
6,830 births
- 2000s
2000s
11,836 births
- 2010s
2010s
6,154 births
- 2020s 1,408
2020s
1,408 births
What this shows Peak: 2000s at 11,836 births (43% of all-time use).
How Kailey compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Kailey's total volume
Kailey by state
Where Kailey concentrates geographically, total births since 1970
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 3,392 | 12.5% |
| #2 | Texas | | 2,706 | 9.9% |
| #3 | Florida | | 1,528 | 5.6% |
| #4 | Illinois | | 1,338 | 4.9% |
| #5 | New York | | 1,284 | 4.7% |
| #6 | Michigan | | 921 | 3.4% |
| #7 | Ohio | | 866 | 3.2% |
| #8 | North Carolina | | 846 | 3.1% |
3,392 of 27,244 births nationwide. Compared to a flat distribution across 49 reporting states.
Kailey appears in 49 states. Explore state details →
Frequently Asked Questions
How popular is the name Kailey? ▼
Where does Kailey sit in the SSA name archive? ▼
When was Kailey most popular? ▼
Where is Kailey most popular? ▼
How long has the name Kailey been used? ▼
What names are similar to Kailey? ▼
What to do with Kailey's data
- Kailey's decade-level peak was the 2000s (11,836 total births); usage has since declined to 1,408 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Kaileys (3,392 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kailey
Nearby Names Like Kailey
Names with a similar sound, spelling, or feel to Kailey
Compare Kailey side by side: Kailey vs Kaitlyn Kailey vs Kaitlin Kailey vs Kaia
Related Names
Names with a similar popularity rank to Kailey
Nationwide names with similar peak year or record span
Two nationwide peer axes for Kailey: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2004)
Similar record span (~55 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1970–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kailey draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.