Girls' name · peaked in 2010
Libby name popularity since 1925
16,372 babies born in the US from 1925 to 2025 were named Libby. Half of them were born in 1989 or earlier, so the typical Libby is about 37 years old in 2026. Libby peaked in 2010 as the #793 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 16,372
- Named Libby, 1925–2025
- In 2025
- Not top 1,000
- #1,146 for girls in 2025
- Girls / boys
- 100.0% girls
- 16,367 girls · 5 boys
- Most popular in
- North Carolina
- 2.42× its national share
Peak year is the year Libby 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.
Libby births per year, 1925–2025
The biggest year by count was 2009. Measured as a share of all babies, Libby peaked in 2010.
- Steepest fall: Between 1967 and 1972, Libby's share of baby girls fell by 34%, from 1 in 8,090 to 1 in 12,300.
- Fastest rise: Between 1999 and 2004, it became 1.9× more common, from 1 in 11,800 baby girls to 1 in 6,100.
Shaded on the chart. Both compare Libby's share of all US girls five years apart, counting only years with at least 100 babies named Libby.
Decade by decade
Babies named Libby 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 | 364 | 0 | – |
| 1930s | 951 | 0 | #683 |
| 1940s | 1,168 | 0 | #724 |
| 1950s | 1,669 | 5 | #840 |
| 1960s | 2,070 | 0 | #743 |
| 1970s | 1,120 | 0 | #1,016 |
| 1980s | 887 | 0 | #1,397 |
| 1990s | 1,214 | 0 | #1,221 |
| 2000s | 2,863 | 0 | #781 |
| 2010s | 2,754 | 0 | #1,000 |
| 2020–25 | 1,307 | 0 | #1,146 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000.
Generation fingerprint
25.8% of babies named Libby from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Libby is most popular
The index compares Libby'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 Libby.
| State | Index | Babies |
|---|---|---|
| North Carolina | 2.42× | 791 |
| New York | 2.18× | 1,907 |
| Tennessee | 1.68× | 408 |
| Alabama | 1.61× | 327 |
| Georgia | 1.48× | 472 |
Other spellings
Spellings that sound like Libby 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 |
|---|---|---|
| Libby (this page) | 16,367 | 2010 |
| Libbie | 1,387 | 1881 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Libby's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Libby.
Names from the same era
Other common names that peaked within two years of Libby (2010).
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