Given name & surname · also Irish
Casey
“vigilant, wakeful”·“a vigilant woman”·“one who is alert; watchful”
Casey is used as a given name and a surname. Interpretations include “vigilant, wakeful” (Irish), “a vigilant woman” (Irish), and “one who is alert; watchful”. These may reflect different naming traditions.
Meaning & origin
What it means
Interpretations include “vigilant, wakeful” (Irish), “a vigilant woman” (Irish), and “one who is alert; watchful”. These may reflect different naming traditions.
Where it comes from
An origin associated with this spelling is Irish.
The story
Published U.S. birth records include this spelling as early as 1888. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Casey through the years
- Babies since 1880
- 194,775
- 116,675 boys · 78,100 girls
- Most popular year
- 1987
- 7,510 babies
- 2025
- 1,300
- #320 for boys · #1,065 for girls
- 2021–25 vs 2016–20
- +51%
- Rising fast
Boys, girls and both
The balance of boys and girls given this name has shifted over time. Recent births are 74% boys.
Where it’s given
By the numbers
In 2025, this name appeared in 1,072 U.S. birth records for boys, ranking No. 320 among boys’ names. Average annual use for boys was 87.5% higher in 2021–2025 than in 2016–2020. Its largest published annual count for boys was 4,134 in 1990. It also appeared in 228 birth records for girls in 2025. In 2025, California had the largest reported state-level birth count for boys with this name (119). Published U.S. population figures for this spelling include 165,300 as a first name in 2020; 63,424 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Casey’s family of names
Casey has a related form in Cassie. In English usage, Casey has a related form in Kasey. In English usage, Casey has a related form in Kasey.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Around the world
Casey has relatives in 3 languages. Lines run from its Irish roots to each of them.
8 related names in 3 languages. Point at a dot, or tab to the map and use the arrow keys.
Nicknames & forms 40
Diminutives, pet forms, short forms and variants used alongside the name.
- Kaceyvariant · English
- Kaseyvariant · English
- Kayceevariant · English
- Cassievariant
- Kacievariant · English
- Kaycievariant · English
- Casievariant
- Cayceevariant
Show 32 moreShow fewer
- Kaceevariant · English
- Caiseyvariant
- Cayseevariant
- Caysievariant
- Caysivariant
- Cayseyvariant
- Caycievariant
- Caycivariant
- Caceevariant
- Cacievariant
- Cacivariant
- Cacyvariant
- Caceyvariant
- Caseevariant
- Casivariant
- Casyvariant
- Caseavariant
- Caseyelikely variant
- Caseielikely variant
- Caiseevariant
- Caisievariant
- Caisivariant
- Caisyvariant
- Caysyvariant
- Caiceevariant
- Caicievariant
- Caicivariant
- Caicyvariant
- Caiceyvariant
- Caycyvariant
- Cayceyvariant
- Cayseavariant
Spellings & scripts 3
The same name written differently, including transliterations into other scripts.
Across languages 4
Equivalents and cognates in other languages, plus older forms it grew from.
See also 1
Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.
People named Casey
- Casey StonerAustralian former motorcycle racerborn 1985
- Casey DellacquaAustralian tennis playerborn 1985
- Casey NeistatAmerican YouTube personality, filmmaker and entrepreneurborn 1981
- Casey StoneyEnglish association football player (born 1982)
- Casey WilsonAmerican actress and comedianborn 1980
- Casey CottAmerican actorborn 1992
- Casey FitzRandolphAmerican speed skaterborn 1974
- Casey KaufholdAmerican archerborn 2004
- Casey KruegerAmerican soccer playerborn 1990
Characters named Casey: Casey Jones (fictional Teenage Mutant Ninja Turtles character), Casey Novak (fictional human).
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Casey, these share its style, era, origin or sound, from outside its own family.
Kelby
“from the waters” · “from the farm near the spring”
60% boys · 40% girls
Drew
“one who is wise”
67% boys · 33% girls
Keelin
“a lively and bright-headed woman” · “a slender and beautiful woman”
56% boys · 44% girls
Kiernan
“having dark features; the little dark one”
69% boys · 31% girls
Conley
“one who is pure; chaste”
63% boys · 37% girls
Dempsey
“a proud man”
66% boys · 34% girls
Devine
“resembling an ox” · “of the divine”
50% boys · 50% girls
Kerry
“having black hair”
71% boys · 29% girls