Girls' name · peaked in 1961
Deirdre name popularity since 1925
16,831 babies born in the US from 1925 to 2025 were named Deirdre. Half of them were born in 1967 or earlier, so the typical Deirdre is about 59 years old in 2026. Deirdre peaked in 1961 as the #333 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 16,831
- Named Deirdre, 1925–2025
- In 2025
- Not top 1,000
- #7,989 for girls in 2025
- Girls / boys
- 100.0% girls
- 16,831 girls · 0 boys
- Most popular in
- New York
- 3.71× its national share
Peak year is the year Deirdre 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.
Deirdre births per year, 1925–2025
1961 was the biggest year for Deirdre both by count and as a share of all babies.
- Fastest rise: Between 1956 and 1961, Deirdre became 2.9× more common, from 1 in 7,300 baby girls to 1 in 2,530.
- Steepest fall: Between 1969 and 1974, its share of baby girls fell by 45%, from 1 in 2,670 to 1 in 4,840.
Shaded on the chart. Both compare Deirdre's share of all US girls five years apart, counting only years with at least 100 babies named Deirdre.
Decade by decade
Babies named Deirdre in each decade, and its rank among girls' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Rank |
|---|---|---|
| 1925–29 | 34 | – |
| 1930s | 167 | #1,386 |
| 1940s | 822 | #851 |
| 1950s | 2,274 | #647 |
| 1960s | 6,321 | #400 |
| 1970s | 3,123 | #612 |
| 1980s | 2,049 | #848 |
| 1990s | 1,206 | #1,428 |
| 2000s | 544 | #3,065 |
| 2010s | 206 | #5,021 |
| 2020–25 | 85 | #7,989 |
Ranks count every name given to at least 5 girls that year, so they can go past 1,000.
Generation fingerprint
37.6% of babies named Deirdre from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:
Where Deirdre is most popular
The index compares Deirdre'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 Deirdre.
| State | Index | Babies |
|---|---|---|
| New York | 3.71× | 3,837 |
| Massachusetts | 3.62× | 1,173 |
| Connecticut | 2.99× | 441 |
| New Jersey | 2.53× | 948 |
| Louisiana | 1.44× | 352 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Deirdre's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Deirdre.
Names from the same era
Other common names that peaked within two years of Deirdre (1961).
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