Girls' name · peaked in 1999
Diamond name popularity since 1925
36,077 babies born in the US from 1925 to 2025 were named Diamond (93.2% girls, 6.8% boys). Half of them were born in 1999 or earlier, so the typical Diamond is about 27 years old in 2026. Diamond peaked in 1999 as the #150 name for girls, and it was outside the top 1,000 in 2025.
Key facts
- US babies since 1925
- 36,077
- Named Diamond, 1925–2025
- In 2025
- Not top 1,000
- #2,024 for girls in 2025
- Girls / boys
- 93.2% girls
- 33,608 girls · 2,469 boys
- Most popular in
- District of Columbia
- 4.00× its national share
Peak year is the year Diamond 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.
Diamond births per year, 1925–2025
1999 was the biggest year for Diamond both by count and as a share of all babies.
- Fastest rise: Between 1987 and 1992, Diamond became 4.7× more common, from 1 in 6,690 baby girls to 1 in 1,420.
- Steepest fall: Between 2006 and 2011, its share of baby girls fell by 63%, from 1 in 1,810 to 1 in 4,850.
Shaded on the chart. Both compare Diamond's share of all US girls five years apart, counting only years with at least 100 babies named Diamond.
Decade by decade
Babies named Diamond 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 | 34 | 32 | – |
| 1930s | 9 | 27 | Under 5 |
| 1940s | 10 | 38 | #4,709 |
| 1950s | 14 | 55 | Under 5 |
| 1960s | 35 | 26 | Under 5 |
| 1970s | 218 | 165 | #3,666 |
| 1980s | 1,744 | 413 | #1,061 |
| 1990s | 15,160 | 827 | #179 |
| 2000s | 12,574 | 340 | #301 |
| 2010s | 3,005 | 278 | #1,014 |
| 2020–25 | 805 | 268 | #2,024 |
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
55.8% of babies named Diamond from 1925 to 2025 were born in the Gen Z years (1997–2012). The full split by generation:
Where Diamond is most popular
The index compares Diamond'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 Diamond.
| State | Index | Babies |
|---|---|---|
| District of Columbia | 4.00× | 602 |
| Maryland | 2.31× | 1,154 |
| Louisiana | 2.30× | 1,352 |
| Georgia | 1.92× | 1,736 |
| Mississippi | 1.88× | 743 |
Other spellings
Spellings that sound like Diamond 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 |
|---|---|---|
| Diamond (this page) | 33,608 | 1999 |
| Dyamond | 1,207 | 2000 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Diamond's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Diamond.
Names from the same era
Other common names that peaked within two years of Diamond (1999).
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