Kiley
Kiley was the 2798th most popular name for girls in 2025, given to 61 babies. Its best year was 2008, when it ranked 307th with 1,090 babies. Over the last ten years it has moved down 1,898 places. More babies were named Kiley in the 2000s than in any other decade.
Meaning (as Kylie) Origin uncertain · Australian English
- Rank in 2025
- #2,798 girls, down 971 places since 2020
- Babies in 2025
- 61girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 20081,090 babies
- Total since 1880
- 20,272babies recorded
What does the name Kiley mean?
Kiley is a spelling of Kylie, pronounced the same way, so it shares Kylie's meaning and origin.
Kylie is a modern name whose origin is uncertain. Wiktionary suggests a possible link with kylie, a word from an Aboriginal Australian language for a boomerang, and notes that it was first popular in Australia and spread elsewhere through the singer Kylie Minogue. Wikipedia adds other suggestions, such as the Irish surname O'Kiely. Wiktionary stresses that it is unrelated to Kyle, though many people treat it as Kyle's feminine.
kylie (Noongar (Australian), “boomerang (possible source)”)
How sure is this? Uncertain. Origin uncertain; the boomerang link is a suggestion.
Other explanations you may read: A feminine form of Kyle.
Related names: Kylee, Kiley, Kyleigh, Kayleigh.
Sources for this meaning
- Wiktionary, entry 'Kylie', Wiktionary (Wikimedia Foundation); facts restated, no text reused
- Wikipedia, 'Kylie (name)', Wikipedia (Wikimedia Foundation); facts restated, no text reused
Kiley popularity since 1880
A few boys are given the name too: 1,097 since 1968.
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #2,798 | 61 |
| 2020 | #1,827 | 108 |
| 2010 | #379 | 840 |
| 2000 | #451 | 628 |
| 1990 | #753 | 276 |
| 1980 | #751 | 221 |
| 1970 | #3,787 | 16 |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Kiley, counting every spelling?
Kiley is a spelling of Kylie, a name family that ranked #185 for girls in 2025 once every spelling is counted together, compared with #2,798 for Kiley on its own. Together these spellings went to 1,896 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Kylie | 1,491 | #204 | 7,844 |
| Kylee | 306 | #876 | 1,868 |
| Kiley | 61 | #2,798 | 326 |
| Kyleah | 19 | #6,233 | 105 |
| Kyli | 6 | #14,137 | 67 |
| Kylea | 7 | #12,593 | 45 |
| Kilee | — | — | 44 |
| Kyley | 6 | #14,136 | 35 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Kiley?
61 of the 3,606,400 babies born in the US in 2025 were named Kiley (0.02 per 1,000 births). For a girl named Kiley born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 138 (of 430 pupils) would have a child named Kiley.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Kiley?
About 18,900 people born in the US named Kiley are alive today, with a median age of 22; half are between 17 and 30. That makes Kiley mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Kiley by state
How common Kiley was among girls born in each state in 2021–2025. In 45 states fewer than five girls a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Kiley: their share of US girls followed the most similar curve since 1880. If you like Kiley, they share its era and feel.
Questions about the name Kiley
What does Kiley mean?
The origin of Kylie is uncertain: Origin uncertain; the boomerang link is a suggestion.
How popular is the name Kiley?
Kiley was the 2798th most popular name for girls in 2025, given to 61 babies. Its best year was 2008, when it ranked 307th with 1,090 babies. Over the last ten years it has moved down 1,898 places. More babies were named Kiley in the 2000s than in any other decade.
Is Kiley a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Kiley in the US.
Where is Kiley most popular?
In 2021–2025, Kiley was most common in Georgia (0.05 per 1,000 girls), followed by Florida and New York.