Girls' name · peaked in 2025
Lainey name popularity since 1925
28,431 babies born in the US from 1925 to 2025 were named Lainey. Half of them were born in 2023 or earlier, so the typical Lainey is about 3 years old in 2026. Lainey peaked in 2025 as the #30 name for girls, and it ranked #30 in 2025.
Key facts
- US babies since 1925
- 28,431
- Named Lainey, 1925–2025
- In 2025
- #30
- for girls in 2025 (5,738 babies)
- Girls / boys
- 100.0% girls
- 28,421 girls · 10 boys
- Most popular in
- Utah
- 2.07× its national share
Peak year is the year Lainey made up the largest share of US girls, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Lainey births per year, 1925–2025
2025 was the biggest year for Lainey both by count and as a share of all babies.
- Fastest rise: Between 2020 and 2025, Lainey became 6.8× more common, from 1 in 1,920 baby girls to 1 in 280.
Shaded on the chart. This compares Lainey's share of all US girls five years apart, counting only years with at least 100 babies named Lainey.
Decade by decade
Babies named Lainey in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 0 | – |
| 1930s | 0 | 0 | Under 5 |
| 1940s | 0 | 0 | Under 5 |
| 1950s | 0 | 0 | Under 5 |
| 1960s | 6 | 0 | Under 5 |
| 1970s | 10 | 0 | Under 5 |
| 1980s | 195 | 0 | #4,978 |
| 1990s | 655 | 0 | #2,038 |
| 2000s | 3,180 | 0 | #679 |
| 2010s | 5,769 | 0 | #576 |
| 2020–25 | 18,606 | 10 | #30 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000. "Under 5" means fewer than 5 girls got the name.
Generation fingerprint
80.4% of babies named Lainey from 1925 to 2025 were born in the Gen Alpha years (2013–2025). The full split by generation:
Where Lainey is most popular
The index compares Lainey's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Lainey.
| State | Index | Babies |
|---|---|---|
| Utah | 2.07× | 480 |
| Nebraska | 1.92× | 367 |
| Kentucky | 1.80× | 822 |
| Tennessee | 1.68× | 967 |
| Kansas | 1.62× | 451 |
Other spellings
Spellings that sound like Lainey and were given to at least 1,000 girls from 1925 to 2025, with the year each one was most popular.
| Spelling | Girls | Peak year |
|---|---|---|
| Lainey (this page) | 28,421 | 2025 |
| Lainie | 1,967 | 1970 |
| Lainee | 1,559 | 2025 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Lainey's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Lainey.
Names from the same era
Other common names that peaked within two years of Lainey (2025).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data