Koby
Boy name · #2173 in 2025 · Very rare
How old is the name Koby? In official American birth records, Koby has been tracked continuously since 1958, giving it 67 years of documented American history.
Koby ranks #2173 among American boys' names as of 2025, with 66 newborns given the name that year. A decade ago it stood at #1514, so the name has been falling over the past ten years. Roughly one in every 27,273 boys born in 2025 was named Koby.
The 67-year story
Koby first appears in the Social Security records in 1958, when 7 boys received the name. Its peak came in 2000, when 411 boys were named Koby — good for #531 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 Koby per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Koby against up to 5 other names.
Uniqueness: will there be another Koby in class?
On our rarity read — which blends how common Koby is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Koby will likely be the only one in the room, with the occasional spelling-out as the price.
Where Koby is most common
State-level data for Koby 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 Koby
Statistically, parents drawn to Koby tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Coby, Kolby, Kobi, Keyon, and Kevon.
CobyKolbyKobiKeyonKevonKavonKeonKeshawn
Rank history (last 25 years)
| Year | Babies named Koby | Rank |
|---|---|---|
| 2025 | 66 | #2167 |
| 2024 | 73 | #2057 |
| 2023 | 65 | #2188 |
| 2022 | 82 | #1907 |
| 2021 | 85 | #1823 |
| 2020 | 102 | #1592 |
| 2019 | 85 | #1805 |
| 2018 | 93 | #1687 |
| 2017 | 97 | #1630 |
| 2016 | 99 | #1618 |
| 2015 | 109 | #1514 |
| 2014 | 91 | #1679 |
| 2013 | 114 | #1444 |
| 2012 | 105 | #1523 |
| 2011 | 130 | #1309 |
| 2010 | 137 | #1267 |
| 2009 | 155 | #1169 |
| 2008 | 180 | #1055 |
| 2007 | 178 | #1053 |
| 2006 | 165 | #1077 |
| 2005 | 162 | #1035 |
| 2004 | 197 | #878 |
| 2003 | 330 | #623 |
| 2002 | 377 | #578 |
| 2001 | 407 | #537 |
Frequently asked questions
How old is the name Koby?
In official American birth records, the name Koby first appeared in 1958 (over 67 years ago), when 7 newborn boys received the name. It has been tracked in modern national records for 67 years.
Is Koby a popular boy name?
Koby ranked #2173 among boys in 2025 with 66 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1514.
When was the name Koby most popular?
Koby peaked in 2000, when 411 American boys received the name (ranked #531 that year). Since 2000 the name has declined from that high.
How rare is the name Koby?
In 2025, roughly 1 in 27,273 newborn American boys was named Koby. 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.