Boys' name · peaked in 1957
Rocky name popularity since 1925
29,003 babies born in the US from 1925 to 2025 were named Rocky (1.5% girls, 98.5% boys). Half of them were born in 1975 or earlier, so the typical Rocky is about 51 years old in 2026. Rocky peaked in 1957 as the #252 name for boys, and it ranked #568 in 2025.
Key facts
- US babies since 1925
- 29,003
- Named Rocky, 1925–2025
- In 2025
- #568
- for boys in 2025 (520 babies)
- Girls / boys
- 98.5% boys
- 447 girls · 28,556 boys
- Most popular in
- Oklahoma
- 3.16× its national share
Peak year is the year Rocky made up the largest share of US boys, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Rocky births per year, 1925–2025
1957 was the biggest year for Rocky both by count and as a share of all babies.
- Fastest rise: Between 1948 and 1953, Rocky became 2.9× more common, from 1 in 8,440 baby boys to 1 in 2,880.
- Steepest fall: Between 1986 and 1991, its share of baby boys fell by 54%, from 1 in 4,490 to 1 in 9,670.
Shaded on the chart. Both compare Rocky's share of all US boys five years apart, counting only years with at least 100 babies named Rocky.
Decade by decade
Babies named Rocky in each decade, and its rank among boys' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 0 | 87 | – |
| 1930s | 0 | 203 | #1,348 |
| 1940s | 5 | 1,059 | #655 |
| 1950s | 72 | 6,971 | #240 |
| 1960s | 44 | 4,578 | #410 |
| 1970s | 45 | 3,667 | #430 |
| 1980s | 37 | 4,353 | #423 |
| 1990s | 0 | 1,756 | #781 |
| 2000s | 0 | 1,767 | #971 |
| 2010s | 45 | 2,115 | #927 |
| 2020–25 | 199 | 2,000 | #568 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
37.8% of babies named Rocky from 1925 to 2025 were born in the Baby Boom years (1946–1964). The full split by generation:
Where Rocky is most popular
The index compares Rocky'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 Rocky.
| State | Index | Babies |
|---|---|---|
| Oklahoma | 3.16× | 1,005 |
| West Virginia | 1.98× | 426 |
| Utah | 1.94× | 404 |
| Oregon | 1.89× | 432 |
| Colorado | 1.84× | 555 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Rocky's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Rocky.
Names from the same era
Other common names that peaked within two years of Rocky (1957).
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