Kiley
Girl name · #2799 in 2025 · Very rare
How old is the name Kiley? In official American birth records, Kiley has been tracked continuously since 1958, giving it 67 years of documented American history.
Kiley ranks #2799 among American girls' names as of 2025, with 61 newborns given the name that year. A decade ago it stood at #897, so the name has been falling over the past ten years. Roughly one in every 29,508 girls born in 2025 was named Kiley.
The 67-year story
Kiley first appears in the Social Security records in 1958, when 5 girls received the name. Its peak came in 2008, when 1,090 girls were named Kiley — good for #307 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Kiley per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kiley against up to 5 other names.
Uniqueness: will there be another Kiley in class?
On our rarity read — which blends how common Kiley is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kiley will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kiley is most common
State-level data for Kiley is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Kiley
Statistically, parents drawn to Kiley tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Karley, Keeley, Kayley, Kaley, and Ryley.
KarleyKeeleyKayleyKaleyRyleyKaileyKinseyCarley
Rank history (last 25 years)
| Year | Babies named Kiley | Rank |
|---|---|---|
| 2025 | 61 | #2778 |
| 2024 | 57 | #2889 |
| 2023 | 61 | #2789 |
| 2022 | 68 | #2579 |
| 2021 | 79 | #2309 |
| 2020 | 108 | #1818 |
| 2019 | 114 | #1789 |
| 2018 | 145 | #1506 |
| 2017 | 186 | #1268 |
| 2016 | 216 | #1164 |
| 2015 | 307 | #897 |
| 2014 | 433 | #660 |
| 2013 | 560 | #533 |
| 2012 | 595 | #512 |
| 2011 | 737 | #422 |
| 2010 | 840 | #378 |
| 2009 | 895 | #359 |
| 2008 | 1,090 | #307 |
| 2007 | 887 | #367 |
| 2006 | 742 | #428 |
| 2005 | 815 | #384 |
| 2004 | 840 | #373 |
| 2003 | 850 | #360 |
| 2002 | 731 | #399 |
| 2001 | 643 | #429 |
Frequently asked questions
How old is the name Kiley?
In official American birth records, the name Kiley first appeared in 1958 (over 67 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 67 years.
Is Kiley a popular girl name?
Kiley ranked #2799 among girls in 2025 with 61 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #897.
When was the name Kiley most popular?
Kiley peaked in 2008, when 1,090 American girls received the name (ranked #307 that year). Since 2008 the name has declined from that high.
How rare is the name Kiley?
In 2025, roughly 1 in 29,508 newborn American girls was named Kiley. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.