MallowbyNames

Kacee

KAY-see · Variant of Casey, from Irish Gaelic meaning 'watchful' or 'vigilant', but also used as a modern spelling variant.

Peak popularity
1993
Usually for
Girls
Trend
Declining since 1988

Declining since 1988.

Popularity of Kacee since 1966

Babies named Kacee per year in U.S. Social Security records.

316293198020002020Most births 1989GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1960s50
1970s1730
1980s60439
1990s70481
2000s37754
2010s29440
2020s7876

Meaning & origin

Kacee is a distinctively American respelling of Casey, a name with Irish roots. First recorded in 1966, it experienced a modest peak in 1993 but has never entered the national top 1,000, placing it among the rarer choices. Its trajectory has been falling since 1988, reflecting the decline of similar creative spellings. The name has not been associated with any top states, suggesting a scattered, relatively uncommon usage. Despite its low profile, Kacee offers a familiar sound with a unique visual twist, appealing to parents who want a name that stands out without straying far from tradition.

Kacee is a modern American respelling of Casey, which is an anglicized form of the Irish Gaelic surname Ó Cathasaigh, meaning 'descendant of Cathasach', from cathasach meaning 'watchful' or 'vigilant'. The name has been used as a given name since the 20th century, and the Kac- spelling emerged as a trendy variation in the 1960s, reflecting a broader pattern of respelling traditional names with a 'K' for a more contemporary feel.

Nicknames & variants

Nicknames: Kace, Kae

Variants: Casey, K.C., Kace

Sibling names for Kacee

Names that share Kacee's style, for a brother or sister.

A parent animal hugging its little one, the personalized name page

K is for Kacee, our favorite little girl.

K is for Kacee…”

In a Mallowby alphabet book, Kacee's letter becomes Kacee's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Kacee's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Kacee mean?
Kacee is a variant of Casey, which comes from the Irish surname Ó Cathasaigh, meaning 'watchful' or 'vigilant'.
How popular is the name Kacee?
Kacee first appeared in U.S. records in 1966 and was most popular in 1993, but it has never ranked in the top 1,000 names. Its usage has declined since 1988.
Is Kacee a boy or girl name?
Kacee is most commonly used for girls, though Casey can be unisex.