Lainey
Girl name · #30 in 2025 · Very well-known
How old is the name Lainey? In official American birth records, Lainey has been tracked continuously since 1968, giving it 57 years of documented American history.
In 2025, 5,738 baby girls were named Lainey, placing it at #30 in the official national rankings. A decade ago it stood at #576, so the name has been rising over the past ten years. Roughly one in every 314 girls born in 2025 was named Lainey.
The 57-year story
Lainey first appears in the Social Security records in 1968, when 6 girls received the name. Its all-time peak is essentially right now: 2025, with 5,738 babies and a rank of #30. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. 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 Lainey per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Lainey against up to 5 other names.
Uniqueness: will there be another Lainey in class?
On our rarity read — which blends how common Lainey is today with its five-year momentum — the name reads as "very well-known". A low score means broad familiarity: teachers will spell it right, and your child may share it with a classmate. For many families that's a feature, not a bug.
Where Lainey is most common
Geography matters for names, and Lainey is no exception. Adjusted for how many girls are born in each state, Lainey is most common in SD (16 per 1,000), WY (16 per 1,000), ND (14 per 1,000), MT (13 per 1,000), WV (13 per 1,000) — against a national average of about 4.4 per 1,000 girls. These are per-capita rates, so they show where Lainey is a genuine regional favorite rather than just where the most babies are born.
Names like Lainey
Statistically, parents drawn to Lainey tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Ailany, Lucy, Eloise, Millie, and Ivy.
AilanyLucyEloiseMillieIvyIslaLunaLeilani
Rank history (last 25 years)
| Year | Babies named Lainey | Rank |
|---|---|---|
| 2025 | 5,738 | #30 |
| 2024 | 5,156 | #38 |
| 2023 | 3,941 | #54 |
| 2022 | 1,698 | #174 |
| 2021 | 1,229 | #250 |
| 2020 | 844 | #366 |
| 2019 | 822 | #381 |
| 2018 | 684 | #460 |
| 2017 | 615 | #510 |
| 2016 | 577 | #541 |
| 2015 | 531 | #576 |
| 2014 | 514 | #585 |
| 2013 | 490 | #584 |
| 2012 | 516 | #568 |
| 2011 | 544 | #533 |
| 2010 | 476 | #618 |
| 2009 | 416 | #698 |
| 2008 | 433 | #697 |
| 2007 | 440 | #669 |
| 2006 | 388 | #723 |
| 2005 | 410 | #678 |
| 2004 | 320 | #795 |
| 2003 | 254 | #925 |
| 2002 | 183 | #1135 |
| 2001 | 173 | #1181 |
Frequently asked questions
How old is the name Lainey?
In official American birth records, the name Lainey first appeared in 1968 (over 57 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 57 years.
Is Lainey a popular girl name?
Lainey ranked #30 among girls in 2025 with 5,738 babies given the name — firmly in the top 100, so yes, it’s a popular choice. Ten years earlier it ranked #576.
When was the name Lainey most popular?
Lainey peaked in 2025, when 5,738 American girls received the name (ranked #30 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Lainey?
In 2025, roughly 1 in 314 newborn American girls was named Lainey. On our rarity scale (rarity blended with momentum) we classify it as "very well-known".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.