Kirby
Girl name · #2656 in 2025 · Very rare
How old is the name Kirby? In official American birth records, Kirby has been tracked continuously since 1917, giving it 108 years of documented American history.
In 2025, 65 baby girls were named Kirby, placing it at #2656 in the official national rankings. A decade ago it stood at #4853, so the name has been rising over the past ten years. Roughly one in every 27,692 girls born in 2025 was named Kirby.
Babies named Kirby per year. Source: Official national birth records.
The 108-year story
Kirby first appears in the Social Security records in 1917, when 8 girls received the name. Its peak came in 1984, when 367 girls were named Kirby — good for #526 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. 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 Kirby against up to 5 other names.
Uniqueness: will there be another Kirby in class?
On our rarity read — which blends how common Kirby is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kirby will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kirby is most common
State-level data for Kirby 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 Kirby
Statistically, parents drawn to Kirby tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Colby, Katy, Lacy, Kasey, and Krystal.
ColbyKatyLacyKaseyKrystalKassieKayceLindsay
Rank history (last 25 years)
| Year | Babies named Kirby | Rank |
|---|---|---|
| 2025 | 65 | #2645 |
| 2024 | 70 | #2533 |
| 2023 | 55 | #3014 |
| 2022 | 62 | #2756 |
| 2021 | 62 | #2751 |
| 2020 | 39 | #3735 |
| 2019 | 34 | #4162 |
| 2018 | 46 | #3396 |
| 2017 | 33 | #4304 |
| 2016 | 31 | #4531 |
| 2015 | 28 | #4853 |
| 2014 | 31 | #4544 |
| 2013 | 27 | #5013 |
| 2012 | 30 | #4707 |
| 2011 | 25 | #5358 |
| 2010 | 24 | #5602 |
| 2009 | 25 | #5537 |
| 2008 | 17 | #7408 |
| 2007 | 20 | #6552 |
| 2006 | 22 | #5906 |
| 2005 | 22 | #5600 |
| 2004 | 23 | #5377 |
| 2003 | 27 | #4668 |
| 2002 | 28 | #4381 |
| 2001 | 41 | #3316 |
Frequently asked questions
How old is the name Kirby?
In official American birth records, the name Kirby first appeared in 1917 (over 108 years ago), when 8 newborn girls received the name. It has been tracked in modern national records for 108 years.
Is Kirby a popular girl name?
Kirby ranked #2656 among girls in 2025 with 65 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4853.
When was the name Kirby most popular?
Kirby peaked in 1984, when 367 American girls received the name (ranked #526 that year). Since 1984 the name has declined from that high.
How rare is the name Kirby?
In 2025, roughly 1 in 27,692 newborn American girls was named Kirby. 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.