Casey
The Irish surname Ó Cathasaigh, from cathasach, “vigilant, watchful.”
Popularity, 1880–2025
Casey first shows up in the national records in 1888. It has ranked among the top 100 names for American boys in every year from 1978 to 1991. Its biggest year was 1990, when 4,134 newborn boys received the name, ranking it No. 89 nationally. Its best ranking came in 1987, at No. 80. In 2025 it ranked No. 320 for boys. The name has also seen real use for girls: 78,100 of the 194,775 Americans given the name since 1880.
Related names
Other spellings on record: Cassie (47,027), Kasey (45,949), Kacey (15,265), Kacie (12,839), Kaci (10,183), Kaycee (9,184) (total births since 1880)
Explore Casey interactively →By the decade
| Decade | Births | Best rank |
|---|---|---|
| 1880s | 6 | No. 917 |
| 1890s | 37 | No. 730 |
| 1900s | 89 | No. 679 |
| 1910s | 444 | No. 514 |
| 1920s | 347 | No. 1045 |
| 1930s | 277 | No. 1095 |
| 1940s | 571 | No. 637 |
| 1950s | 2,656 | No. 398 |
| 1960s | 4,723 | No. 288 |
| 1970s | 18,987 | No. 92 |
| 1980s | 35,968 | No. 80 |
| 1990s | 29,253 | No. 89 |
| 2000s | 12,261 | No. 193 |
| 2010s | 5,582 | No. 398 |
| 2020s | 5,474 | No. 310 |
Births and rank shown for boys, the sex more often given the name. The Social Security Administration omits name–year combinations with fewer than five births.
🍼 Enjoying this? Buy my baby a diaper
Data: U.S. Social Security Administration national baby-name file, 1880–2025.