UK name, mostly girls
Kacy
An English feminine variant of the name Katherine meaning "pure".
For 2026, the newest official UK baby-name figures on this page are from 2020. That release is the current official benchmark rather than a forecast.
Kacy is mostly registered for girls in the UK records. People looking for Kacy popularity in 2026 should use the latest official release, which is 2020 in this profile. In that release it ranked #2615, with 9 babies registered with the name. Its strongest year in the published records was 2005, with 43 births.
This profile covers 352 England and Wales registrations across 22 recorded years from 1998 to 2020. The figures come from ONS England and Wales and NRS Scotland, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
The latest count is about 21% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 368 living people in the UK are called Kacy. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2021 or 2026.
Key insights
- • Kacy ranked #2615 for girls in England and Wales in 2020, with 9 registrations.
- • The name peaked in 2005, when 43 girls were registered as Kacy.
- • Kacy ranks best in Scotland in the latest published regional snapshot for that area, where it placed #802 in 2010.
- • About 368 living people in the UK are estimated to have Kacy as a first name, after adjusting past birth registrations with ONS life tables.
- • Across the England and Wales records shown here, 97.0% of Kacy registrations are for girls.
Latest rank (E&W)
#2615
2020
Births in 2020
9
Latest year
Peak year
2005
43 births
Estimated living
368
2026
Gender
Boy and girl registrations for Kacy
In England and Wales birth records, Kacy has been registered for both boys and girls. Across the years shown here, 3.0% of registrations are for boys and 97.0% are for girls.
These figures use the sex categories in the published baby-name files. They are useful for spotting how the name is used at registration, but they are not a live measure of gender identity or everyone living with the name today.
Kacy registered for boys
- Ranked #4,685 in 2013
- 3 boys registered in 2013
- Peak: 2003 (5 births)
Kacy registered for girls
- Ranked #2,615 in 2020
- 9 girls registered in 2020
- Peak: 2005 (43 births)
Meaning
What does Kacy mean?
The name Kacy is believed to have originated from the Old English word "caec," which means "masculine" or "strong." It is a variant of the more common name Casey, which has its roots in the Irish Gaelic name Caiside, meaning "brave" or "watchful."
The earliest recorded use of the name Kacy can be traced back to the 16th century in England, where it was primarily used as a masculine name. However, over time, it has also been adopted as a feminine name, particularly in the United States.
In the realm of literature, one of the earliest references to the name Kacy can be found in the works of English playwright William Shakespeare. In his play "Henry VI, Part 2," there is a character named Kacy, who is depicted as a soldier in the English army during the Wars of the Roses.
Throughout history, there have been several notable individuals who bore the name Kacy. One of the earliest recorded individuals with this name was Kacy Fitzpatrick (1564-1638), an English merchant and explorer who was known for his travels to the Americas and his writings about the indigenous cultures he encountered.
Another notable figure was Kacy Browning (1789-1861), an American poet and playwright who was best known for her work "The Keepsake," a collection of poems and short stories that became popular in the early 19th century.
In more recent times, Kacy Nelkin (born 1951) is an American actress who gained recognition for her roles in films such as "The Fury" and "The Bionic Woman." She has had a successful career spanning several decades in both film and television.
Kacy Catanzaro (born 1990) is an American gymnast and professional wrestler who made history in 2014 as the first woman to complete the challenging obstacle course on the TV show "American Ninja Warrior."
Kacy Hill (born 1994) is an American singer-songwriter and model who has gained popularity for her unique blend of alternative and electronic music. Her debut album, "Like a Woman," was released in 2017 and received critical acclaim.
These are just a few examples of individuals throughout history who have borne the name Kacy, each leaving their mark in their respective fields and contributing to the rich tapestry of cultural diversity associated with this name.
Sourced from namecensus.com.
Popularity
Kacy over time
The chart below compares boys and girls registered as Kacy in England and Wales, from 1998 to 2020. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Kacy, the clearest high point is 2005. The latest England and Wales figure is 9 births in 2020, compared with 43 at the peak.
Babies born per year
Decades
Kacy by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Kacy was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2020s | #2615 | 9 | 1 |
| 2010s | #3424 | 78 | 9 |
| 2000s | #1131 | 258 | 10 |
| 1990s | #3537 | 7 | 2 |
Geography
Where Kacy is most common
The bars show the latest published local birth counts for Kacy. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.
Kacy ranks best in Scotland in the latest published regional snapshot for that area, where it placed #802 in 2010.
Across the UK
Kacy in Scotland and Northern Ireland
Scotland (NRS)
#802 in 2010
6 years of NRS records, 18 total registered
Related
Names similar to Kacy
- Katie 53,185
- Keira 14,411
- Katherine 11,323
- Kayleigh 10,677
- Kate 10,276
- Kelsey 7,224
- Kiera 7,218
- Kayla 6,541
- Kirsty 6,384
- Khadija 5,948
- Kimberley 5,189
- Kaitlyn 5,137
FAQ
Kacy: questions and answers
How popular is the name Kacy in the UK right now?
In 2020, Kacy was ranked #2615 for girls in England and Wales, with 9 births registered.
When was Kacy most popular?
The peak year on record was 2005, with 43 babies registered as Kacy in England and Wales.
What is the meaning and origin of Kacy?
An English feminine variant of the name Katherine meaning "pure".
How many people are called Kacy in the UK?
A total of 352 babies have been registered as Kacy across the 22 years of ONS England & Wales records shown here, plus 18 more in Scotland.
Where is Kacy most common?
In the latest published local rankings, Kacy ranks best in Scotland, where it placed #802 in 2010. The regional bars on this page use birth counts, so they also reflect the size of each region.
Which records is this page based on?
The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.