Girls' name · peaked in 1955
Diane name popularity since 1925
518,684 babies born in the US from 1925 to 2025 were named Diane. Half of them were born in 1955 or earlier, so the typical Diane is about 71 years old in 2026. Diane peaked in 1955 as the #14 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 518,684
- Named Diane, 1925–2025
- In 2025
- Not top 1,000
- #2,620 for girls in 2025
- Girls / boys
- 99.7% girls
- 517,301 girls · 1,383 boys
- Most popular in
- Rhode Island
- 2.20× its national share
Peak year is the year Diane 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.
Diane births per year, 1925–2025
1955 was the biggest year for Diane both by count and as a share of all babies.
- Fastest rise: Between 1927 and 1932, Diane became 10× more common.
- Steepest fall: Between 1967 and 1972, its share of baby girls fell by 57%, from 1 in 211 to 1 in 492.
Shaded on the chart. Both compare Diane's share of all US girls five years apart, counting only years with at least 100 babies named Diane.
Decade by decade
Babies named Diane 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 | 1,809 | 0 | – |
| 1930s | 22,198 | 70 | #109 |
| 1940s | 122,878 | 322 | #22 |
| 1950s | 210,624 | 433 | #14 |
| 1960s | 114,453 | 324 | #40 |
| 1970s | 25,323 | 121 | #142 |
| 1980s | 11,182 | 88 | #223 |
| 1990s | 4,913 | 25 | #540 |
| 2000s | 2,403 | 0 | #1,011 |
| 2010s | 1,043 | 0 | #2,105 |
| 2020–25 | 475 | 0 | #2,620 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000.
Generation fingerprint
68.2% of babies named Diane from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:
Where Diane is most popular
The index compares Diane'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 Diane.
| State | Index | Babies |
|---|---|---|
| Rhode Island | 2.20× | 4,062 |
| Massachusetts | 1.94× | 24,058 |
| Wisconsin | 1.82× | 18,643 |
| Maine | 1.78× | 3,959 |
| Connecticut | 1.76× | 9,941 |
Other spellings
Spellings that sound like Diane 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 |
|---|---|---|
| Diane (this page) | 517,301 | 1955 |
| Dianne | 95,163 | 1945 |
| Dian | 5,352 | 1946 |
Names with a similar story
Of the other 499 names on this site, these six had the share of babies closest in shape to Diane's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Diane.
Names from the same era
Other common names that peaked within two years of Diane (1955).
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