Kiley

#2,798 in 2025UnisexGirls' nameBoys' name

Kylie variant; deeper origin uncertain

Kiley has been given to 20,272 babies in the U.S. since 1958. In 2025 it ranked #2,798 of 17,293 girls’ names in use. Its peak year was 2008, with 1,090 recorded. It's used for both sexes: 95% girls, 5% boys all-time.

Babies named Kiley, 2025

1 in 54,300

Kiley over time, 1880–2025

GirlsBoys
05001K1.5K18801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Kiley over time

Kiley switched sides. Across 1966–1975 it was recorded 30% girls; across 2016–2025 it was 100%, crossing 50% around 1976.

19582025

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used. See every name that switched

Kiley: meaning, origin, and history

Kylie variant; deeper origin uncertain

Modern English

About Kiley

Kiley is an English spelling variant of Kylie, pronounced KY-lee. Its two syllables connect it with a familiar modern name family, but its deeper origin is less straightforward than the single meaning often attached to it. Modern bearers include novelist Kiley Reid and Olympic water polo player Kiley Neushul.

Meaning and related forms

Kylie arose in Australia and is commonly associated with a Nyungar word for “boomerang.” It can also be understood as a feminine form of Kyle or as a combination of the sounds ky and lee. Those different routes make “boomerang” a proposed inherited meaning for Kiley rather than a secure explanation of every use.

Kiley, Kylie, Kylee, and Kyleigh belong to the same modern spelling family. Kiley does not add a new syllable or change the usual first-syllable stress. Its final ey sounds like ee, and the first syllable rhymes with sky.

The variants have separate histories of popularity. Kiley's American rise was substantial in its own right, although other members of the family may be more familiar to individual readers.

Kiley Reid

Writer Kiley Reid brought the name into contemporary literary discussion with Such a Fun Age. The novel was longlisted for the 2020 Booker Prize. It follows Emira, a young Black babysitter, and Alix, her employer, after a security guard mistakes Emira's care of a white child for kidnapping.

The incident and its recording bring questions of race, class, employment, and self-image into the relationships around the two women. The book's attention to paid care and uneasy attempts to do the right thing gives Reid's work a distinctive social setting.

The Booker recognition was a longlisting, rather than a prize win. It placed Reid's first name before an international reading audience and supplied Kiley with a significant literary bearer.

Kiley Neushul

Water polo player Kiley Neushul won Olympic gold with the United States women's team at Rio de Janeiro in 2016. In the final against Italy, which the United States won 12–5, she led the scorers with three goals.

Her college career at Stanford included NCAA team titles in 2012, 2014, and 2015. She also won the Peter J. Cutino Award, recognizing the leading collegiate water polo player, in 2012 and 2015.

These results put her sporting association on firm ground in both college and international competition. Alongside Reid, Neushul offers an example of the same first-name spelling in a very different field.

Popularity in the United States

Kiley was recorded for 628 American girls in 2000 and reached its largest count in 2008, with 1,090 births and a rank of No. 307. There were still 840 girls with the name in 2010.

By 2025 the count had fallen to 61, ranked No. 2,798. The series shows how strongly the spelling belonged to the late-2000s naming landscape, followed by much rarer recent use.

Sources & methodologyReferences, data & attribution

Existing Wiktionary material is attributed under CC BY-SA 4.0 where applicable. Popularity figures use the local Social Security Administration exact-spelling series; name-sex-year counts below five are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How popular is Kiley?

In 2025, Kiley ranked #2,798 among girls in the United States, with 61 recorded uses. The U.S. birth records first list this spelling for girls in 1958; its largest annual count was 1,090 in 2008. Rankings count each spelling separately. They describe national use, so local familiarity can differ. The popularity chart shows whether the name has remained common, returned after a quieter period, or risen recently.

How common is Kiley?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 54,300
61 of 3,315,165 births
Among girls only
1 in 26,300
<0.01% of girls
Rank, 2025
#2,798
of 17,293 girls’ names in use
Coin-flip room size
37,672 kids
Even odds of a second one

Where Kiley sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 37,672 children born in 2025 and it's an even bet that one of them is another Kiley. In a class of 30 the chance is Under 1%.

When Kileys were born

Half of everyone ever recorded as Kiley was born before 2004 — so the typical Kiley is around 21 today.

Median birth year
2004
About 21 years old
Biggest decade
2000s
42.4% of all use
Born in the last 25 years
62.9%
A modern name
Recorded since 1950
19,175
People you could plausibly meet
Choose a decade

2000s — 42.4% of all recorded uses (8,121).

Is Kiley rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
+111
Places climbed
Rank vs 5 years ago
−971
Places dropped
Rank vs 10 years ago
−1,898
Places dropped
Births vs 10 years ago
0.20×
Fewer babies than then
Share of its own peak
5.6%
Peak was 2008 (1,090)
Years since peak
17
Years
Year-to-year steadiness
Shifting
16.1% average annual change
Best rank ever
#307
2008

Spellings of Kiley

Kiley is not the most common spelling — Kelly is, with 23.7% against Kiley's 0.96%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Kiley is used — girls

Across 2016–2025, Kiley was most concentrated in Kentucky — about 1 in 7,692 girls, against 1 in 20,738 across all states with data. It was least common in Virginia (1 in 100,000).

113 per 100,000

Most concentrated

  1. 1Kentucky1 in 7,692
  2. 2Georgia1 in 8,333
  3. 3Alabama1 in 10,000
  4. 4Oklahoma1 in 12,500
  5. 5North Carolina1 in 14,286
  6. 6Florida1 in 16,667
  7. 7Louisiana1 in 16,667
  8. 8Missouri1 in 16,667

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings.

Where Kiley is used — boys

Across 1910–2025, Kiley was most concentrated in California — about 1 in — boys, against 1 in 549,527 across all states with data. It was least common in Utah (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2Iowa1 in —
  3. 3Illinois1 in —
  4. 4Louisiana1 in —
  5. 5Texas1 in —
  6. 6Utah1 in —

Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Kiley has too little recent state data to map, so this covers all years from 1910.

Kiley around the world

Where Kiley ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • Canada
    1991–2023
    #3,391
    in 2023
  • South Australia
    1972–1984
    #661
    in 1984

Popularity data from Statistics Canada and Consumer and Business Services (South Australia). StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Notable people named Kiley

People whose public names include Kiley, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Kiley in other languages

Cross-language forms and variants of Kiley. Linked forms have their own page here.

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Kiley by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#2,798
Trend vs 5 yrs ago
Down 971
Best rank ever
#307
2008
Peak year
2008
1,090 that year
First recorded
1958
Last recorded
2025
All-time count
19,175
Count in 2025
61

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#912
1971
Peak year
1971
80 that year
First recorded
1968
Last recorded
2016
All-time count
1,097
Count in 2025
Under 5

Names similar to Kiley

Matched on shared beginnings and endings, similar length, and comparable popularity.

Names with a curve like Kiley

Not spelling — timing. These names rose, peaked and faded in the same years as Kiley, so they read as being from the same moment even when they look nothing alike.

Sibling names for Kiley

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Kiley