Unisex name · since 1958

Kiley

Kiley has 19,175 recorded births since 1958 in federal Social Security data, most heavily in 2008 -- full year-by-year trend, decade aggregates, and state rankings follow.

#2904
among girls today
19,175
born since 1958
2000s
peak decade
84%
more common than other girls

19,175 babies have been named Kiley since 1958, making it today's #2904 unisex name.

Social Security Administration records show Kiley recorded 19,175 times among girls since 1958, holding rank #2904 nationally today, ahead of 84% of girls, peaking in the 2000s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1958 to 2025.

  • #2904 among girls today
  • 19,175 born since 1958
  • 2000s peak decade
  • 84% more common than other girls

Data updated Jun 2026

The verdict

Kiley is currently the #2904 unisex name in America, more common than 84% of girls - 19,175 born since 1958, peaking in the 2000s.

#2904
among girls today
19,175
born since 1958
2000s
peak decade
84%
more common than other girls

Kiley vs. every other girls name in current SSA rankings

0%100%Median name50%83.6%
Kiley vs. every other girls name in current SSA rankings
#2904
of 17,726 girls in use

More common than 84% of names given to girls today.

2000s
Peak decade

42% of everyone ever named Kiley was born in this single decade.

2008
Single peak year

1,090 babies were named Kiley in 2008 - its busiest year on record.

How Kiley compares

19,175 Top 6% higher than 94% of 17,726 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

Kiley's all-time total is 50x the median girls name, and Olivia still leads by a wide margin.

Metric Kiley Median girls name (Emerly) #1 girls name (Olivia)
All-time total births 19,175 382 567,345
Peak-year births 1,090 48 19,840

Kiley's usage pattern, beyond the headline number

Divide Kiley's SSA record in two at 1995 and the more recent half accounts for 78% of all births, the earlier half the remaining 22%, consistent with a name still gaining ground rather than fading. Its calmest year was 1958, with only 5 births recorded -- set against the 2008 peak of 1,090, that's the full swing in one name's fortunes.

Kiley at a glance

Outside the top 1,000

Total births

19,175

Since 1958

68 years of records

Peak year

2008

1,090 births that year

Strongest decade: 2000s

Current rank

#2,904

Among girls

As of 2025

Active since

1958

Recorded for 68 years

Last year on file: 2025

Kiley popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1958–2025

Outside the top 1,000
Peak year (2008)
1,090
Annual births at peak, across 68 years of records
-50005001,0001,500 195819731981198919972005201320212025 61

Kiley popularity over time - boys

1,097 total births recorded since 1968 (Kiley as boys' name)

Unisex variant - 1,097 births
020406080100 19681974198019861992199820042016 5

Kiley by decade

Total births in each ten-year window, peak vs trough at a glance

2000s was Kiley's strongest decade.

8,121 babies received the name during that ten-year window, about 42% of all-time use.

Kiley births by decade

Total births in each ten-year window

births

What this shows Peak: 2000s at 8,121 births (42% of all-time use).

Source U.S. Social Security Administration · Baby Names As of June 2026

How Kiley 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 Kiley's total volume

Kiley vs 15 similarly-sized girls names

Kiley vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Kiley
Kiley vs 15 similarly-sized girls names

Kiley by state

Where Kiley concentrates geographically, total births since 1958

Geographically diffuse
Top 8 states by recorded births for the name Kiley
Rank State Visual share Births Share of total
#1 California
1,655 8.6%
#2 Texas
1,161 6.1%
#3 Florida
920 4.8%
#4 Ohio
917 4.8%
#5 Illinois
873 4.6%
#6 Pennsylvania
807 4.2%
#7 Michigan
583 3.0%
#8 Georgia
579 3.0%
California share of Kiley's total US births 8.6%
Even split

1,655 of 19,175 births nationwide. Compared to a flat distribution across 48 reporting states.

Kiley appears in 48 states. Explore state details →

Frequently Asked Questions

How popular is the name Kiley?
Since 1958, Social Security records show 19,175 babies named Kiley. Today it holds rank #2904 among girls. Its busiest year on record was 2008, with 1,090 births.
When was Kiley most popular?
Kiley was most popular in the 2000s decade with 8,121 total births. The single peak year was 2008.
Where is Kiley most popular?
The top states for the name Kiley are California (1,655 births), Texas (1,161 births), Florida (920 births).
Is Kiley a unisex name?
Yes, Kiley is used for both boys and girls. As a girl's name it has 19,175 births, and as a boy's name it has 1,097 births.
How long has the name Kiley been used?
Records for Kiley go back to 1958, giving 68 years of history through 2025.
What names are similar to Kiley?
Names with a similar sound or spelling include Kilee, Kila, Kileigh, Killian, and 4 more. These share a common prefix and are also used for girls.

What to do with Kiley's data

  • Kiley's decade-level peak was the 2000s (8,121 total births); usage has since declined to 434 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Kileys (1,655 births) -- see the full state breakdown if geography matters to your decision. California names
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Data Sources

Data as of June 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, 1958–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Kiley: #2904 Unisex Name - 19,175 Births, Peak 2008." NameAlmanac. Accessed via https://namealmanac.com/name/kiley. Licensed CC BY-SA 4.0.

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 Kiley 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 June 2026.