Casey
Casey first appears in US records in 1888. It peaked in 1990, when 4,134 boys were given the name; in 2025 there were 1,072.
Source: US Social Security Administration.
Is Casey popular?
Steady Casey has held fairly steady over the past decade, after peaking in 1990.
| 2020s | 5,474 | |
|---|---|---|
| 2010s | 5,582 | |
| 2000s | 12,261 | |
| 1990s | 29,253 | |
| 1980s | 35,968 | |
| 1970s | 18,987 | |
| 1960s | 4,723 | |
| 1950s | 2,656 | |
| 1940s | 571 | |
| 1930s | 277 | |
| 1920s | 347 | |
| 1910s | 444 | |
| 1900s | 89 | |
| 1890s | 37 | |
| 1880s | 6 |
Counts from US Social Security Administration data, 1880–2025.
What does Casey mean?
From the Irish surname Ó Cathasaigh, whose byname 'cathasach' derives from 'cath' (battle) and is usually glossed 'vigilant, watchful' (in war); a secondary reading is 'noisy'.
Names like Casey
irish names with a similar feel and popularity.
Names that pair well with Casey
Popular irish names for a sibling or a middle name.
Compare Casey
Explore related names
Frequently asked questions
What does the name Casey mean?
Casey means Vigilant in war. From the Irish surname Ó Cathasaigh, whose byname 'cathasach' derives from 'cath' (battle) and is usually glossed 'vigilant, watchful' (in war); a secondary reading is 'noisy'.
What is the origin of the name Casey?
Casey is of irish origin.
How do you pronounce Casey?
Casey is pronounced “KAY-see.”
Is Casey a boy or a girl name?
Casey is most commonly used as a unisex name.
Is Casey a popular name right now?
Casey has held fairly steady over the past decade, after peaking in 1990.
How popular is the name Casey?
In 2025, Casey ranked #320 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Casey most popular?
Casey was most popular in 1990, when about 4,134 US babies were given the name that year, according to US Social Security Administration records.
What names are similar to Casey?
Names similar to Casey include Darcy, Kane, Leannan, Murphy, Quinn.
What names go well with Casey?
irish names that pair well with Casey include Ryan, Liam, Aiden, Sean, Aidan.