Kacy
Girl name · American · English · Irish
- US rank
- #8,362
- Syllables
- 2
- Peak
- #941 in 1987
12 babies were named Kacy in the US in 2025. It has dropped 2,695 places in five years.
Save adds it to your list. Vote moves it up the top voted names.
US births per million girls, 1956–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Kacy you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 133,333 baby girls born in the US in 2025 was named Kacy, 12 babies in all. In a typical school of 500 kids, your Kacy would very likely be the only one.
- HistoryKacy first shows up in US birth records in 1956, the first year at least 5 babies got it. It has been in use for 69 years since.
- Best yearIt was far more popular in 1987, when it ranked #941. Today it's #8,362, so it could be due a comeback.
- Then vs nowKacy was 6.5× more common in 2000 than it is today. In 2000 it was given to about 1 in 20,408 baby girls; in 2025, about 1 in 133,333.
- TrendKacy has slipped 2,695 places over the last five years and now sits at #8,362. Good news if you want a familiar name that fewer kids will share.
- Boy or girlKacy is given to both boys and girls: 55% of the 22 babies named Kacy in 2025 were girls. That makes it one of the names that truly works for either.
About the name Kacy
Kacy is a girl name of American, English and Irish origin. It has 4 letters and 2 syllables, starting with K and ending in “-acy”. US birth records list Kacy for girls from 1956 to 2025, in 67 of those 70 years. Its best year was 1987, when it ranked #941 among girl names. In 2025 it ranked #8,362, with 12 babies.
Origin:American namesEnglish namesIrish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1950s | 4.2 | 236,686 girls |
| 1960s | 5.9 | 170,068 girls |
| 1970s | 44 | 22,548 girls |
| 1980s | 90 | 11,102 girls |
| 1990s | 77 | 13,063 girls |
| 2000s | 44 | 22,681 girls |
| 2010s | 22 | 45,935 girls |
| 2020s | 10 | 95,390 girls |
Other spellings of Kacy
More American girl names
- Girl name: Lainey · possibly light
- Girl name: Daisy · day's eye
- Girl name: Josie · he will add
- Unisex name: Kinsley · king's meadow
- Girl name: Sienna · from Siena
- Unisex name: Brooklyn · from Brooklyn, New York
- Girl name: Summer · summer
- Unisex name: Stevie · crown
Questions about the name Kacy
What is the origin of the name Kacy?
Kacy has American, English, Irish roots in our records. Other American names include Lainey, Daisy, Josie.
Is Kacy a boy or girl name?
Kacy is a girl name, though a few boys get it too.
How popular is the name Kacy?
Kacy ranked #8,362 for US girls in 2025, given to 12 babies. Its best year was 1987 (#941).