Ky
Boy name · #3604 in 2025 · Very rare
How old is the name Ky? In official American birth records, Ky has been tracked continuously since 1950, giving it 75 years of documented American history.
In 2025, 31 baby boys were named Ky, placing it at #3604 in the official national rankings. A decade ago it stood at #4179, so the name has been rising over the past ten years. Roughly one in every 58,065 boys born in 2025 was named Ky.
Babies named Ky per year. Source: Official national birth records.
The 75-year story
Ky first appears in the Social Security records in 1950, when 5 boys received the name. Its peak came in 1992, when 42 boys were named Ky — good for #1914 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.
Unlock the 5-year forecast and compare Ky against up to 5 other names.
Uniqueness: will there be another Ky in class?
On our rarity read — which blends how common Ky is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Ky will likely be the only one in the room, with the occasional spelling-out as the price.
Where Ky is most common
State-level data for Ky 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 Ky
Statistically, parents drawn to Ky tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kori, Willy, Korey, Kory, and Tj.
KoriWillyKoreyKoryTjKalanAnEloy
Rank history (last 25 years)
| Year | Babies named Ky | Rank |
|---|---|---|
| 2025 | 31 | #3583 |
| 2024 | 25 | #4200 |
| 2023 | 35 | #3347 |
| 2022 | 33 | #3464 |
| 2021 | 30 | #3651 |
| 2020 | 25 | #4020 |
| 2019 | 19 | #4951 |
| 2018 | 33 | #3373 |
| 2017 | 40 | #2951 |
| 2016 | 24 | #4199 |
| 2015 | 24 | #4179 |
| 2014 | 29 | #3617 |
| 2013 | 28 | #3661 |
| 2012 | 25 | #4003 |
| 2011 | 29 | #3605 |
| 2010 | 19 | #4848 |
| 2009 | 22 | #4429 |
| 2008 | 18 | #5067 |
| 2007 | 27 | #3793 |
| 2006 | 18 | #4865 |
| 2005 | 32 | #3172 |
| 2004 | 24 | #3735 |
| 2003 | 34 | #2847 |
| 2002 | 32 | #2882 |
| 2001 | 35 | #2681 |
Frequently asked questions
How old is the name Ky?
In official American birth records, the name Ky first appeared in 1950 (over 75 years ago), when 5 newborn boys received the name. It has been tracked in modern national records for 75 years.
Is Ky a popular boy name?
Ky ranked #3604 among boys in 2025 with 31 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4179.
When was the name Ky most popular?
Ky peaked in 1992, when 42 American boys received the name (ranked #1914 that year). Since 1992 the name has declined from that high.
How rare is the name Ky?
In 2025, roughly 1 in 58,065 newborn American boys was named Ky. 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.