Kacy
2025 SSA
2025 SSA
About Kacy
Kacy is a modern unisex name with versatile appeal, though slightly more common for females. It emerged as a variant of Casey, which derives from an Irish surname meaning 'vigilant' or 'watchful.' The simplified spelling gives this traditional name a contemporary edge while maintaining its friendly, approachable sound. Gaining modest popularity in the 1970s and 1980s, Kacy embodies the trend toward shorter, gender-neutral names with a casual, spirited quality. It projects an image of someone energetic and straightforward. The name's brevity makes it travel well across cultures, while alternatives like Kacie or Kaci offer more distinctly feminine variations. For parents seeking something familiar yet not overly common, Kacy strikes a pleasant balance.
Kacy for boys#7938 US
Kacy as a masculine name represents a modern usage of what has traditionally been a unisex or feminine name. It likely derived as a variant spelling of Casey, which originated from an Irish surname meaning 'vigilant' or 'watchful.' The spelling variation with a 'K' gives the name a more contemporary feel. While Casey has been used for both boys and girls, Kacy for males is considerably less common. The name peaked in popularity in the 1980s and 1990s but remains relatively uncommon for boys. Kacy has a friendly, approachable sound with its short, two-syllable structure, and the 'y' ending maintains a youthful quality that can transition well into adulthood.
Pronounced KAY-see.
As of October 2026, Kacy ranked #8594 in US births in 2025 SSA, peaked at #941 in 1987.
Popularity & trends
Data table
| Year | US rank · girls | Births · girls | US rank · boys | Births · boys |
|---|---|---|---|---|
| 2014 | #3,619 | 43 | — | 0 |
| 2015 | #3,806 | 40 | — | 0 |
| 2016 | #3,814 | 40 | — | 0 |
| 2017 | #4,177 | 35 | — | 0 |
| 2018 | #4,933 | 27 | — | 0 |
| 2019 | — | 0 | — | 0 |
| 2020 | — | 0 | — | 0 |
| 2021 | — | 0 | — | 0 |
| 2022 | — | 0 | — | 0 |
| 2023 | — | 0 | — | 0 |
| 2024 | — | 0 | — | 0 |
| 2025 | — | 0 | — | 0 |
Kacy on lists
Famous Kacys
- Kacy Esther CatanzaroGirl
American gymnast and competitor on "American Ninja Warrior""
- Kacy HillGirl
American R&B singer
- Kacy AndersonGirl
Canadian singer of duo Kacy & Clayton