Girls' name · peaked in 2004
Delaney name popularity since 1925
46,621 babies born in the US from 1925 to 2025 were named Delaney (97.5% girls, 2.5% boys). Half of them were born in 2008 or earlier, so the typical Delaney is about 18 years old in 2026. Delaney peaked in 2004 as the #169 name for girls, and it ranked #242 in 2025.
Key facts
- US babies since 1925
- 46,621
- Named Delaney, 1925–2025
- In 2025
- #242
- for girls in 2025 (1,283 babies)
- Girls / boys
- 97.5% girls
- 45,437 girls · 1,184 boys
- Most popular in
- Colorado
- 1.96× its national share
Peak year is the year Delaney 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.
Delaney births per year, 1925–2025
2004 was the biggest year for Delaney both by count and as a share of all babies.
- Fastest rise: Between 1991 and 1996, Delaney became 5.1× more common, from 1 in 8,300 baby girls to 1 in 1,620.
Shaded on the chart. This compares Delaney's share of all US girls five years apart, counting only years with at least 100 babies named Delaney.
Decade by decade
Babies named Delaney 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 | 7 | – |
| 1930s | 5 | 52 | Under 5 |
| 1940s | 0 | 48 | Under 5 |
| 1950s | 12 | 78 | #4,841 |
| 1960s | 30 | 86 | Under 5 |
| 1970s | 159 | 166 | #3,299 |
| 1980s | 335 | 125 | #3,180 |
| 1990s | 7,493 | 237 | #328 |
| 2000s | 17,086 | 192 | #190 |
| 2010s | 12,869 | 120 | #243 |
| 2020–25 | 7,448 | 73 | #242 |
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
54.7% of babies named Delaney from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Delaney is most popular
The index compares Delaney'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 Delaney.
| State | Index | Babies |
|---|---|---|
| Colorado | 1.96× | 1,080 |
| Nebraska | 1.91× | 599 |
| Maryland | 1.68× | 1,142 |
| Arizona | 1.55× | 899 |
| Indiana | 1.46× | 1,539 |
Other spellings
Spellings that sound like Delaney 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 |
|---|---|---|
| Delaney (this page) | 45,437 | 2004 |
| Delanie | 5,171 | 2003 |
| Delainey | 2,092 | 2024 |
| Delani | 2,068 | 2024 |
| Delany | 1,408 | 2024 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Delaney's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Delaney.
Names from the same era
Other common names that peaked within two years of Delaney (2004).
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