How old is someone named Kacy?
The average Kacy is 35 years old.
Half of all living Kacys are between 26 and 44.
When was Kacy popular?
Parents have been choosing Kacy less often since its peak in 1990; 22 babies got the name in 2025.
Popular names of 1990 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1950s | 34 | under 100 |
| 1960s | 167 | 150 |
| 1970s | 904 | 840 |
| 1980s | 1,801 | 1,700 |
| 1990s | 1,629 | 1,600 |
| 2000s | 918 | 910 |
| 2010s | 441 | 440 |
| 2020s | 153 | 150 |
How many Kacys are still alive?
About 5,800 Kacys are alive in the US today. That's 97% of the roughly 6,000 babies named Kacy since 1956.
Nearly every Kacy ever born is still alive, because almost all of them are young.
What generation is the name Kacy?
About half of living Kacys are Millennials, born between 1981 and 1996.
- Boomer 1%
- Gen X 19%
- Millennial 49%
- Gen Z 24%
- Gen Alpha 7%
Is Kacy an old name?
Somewhat. Kacy is older than 58 in 100 names on AgeByName, but younger than plenty of classics.
Is Kacy a boy or girl name?
Mostly a girl's name: 84% of living Kacys are women, and 16% are men.
The women average 34 and the men 36.
Names the same age as Kacy
NAME TWIN
Kacy's name twin is Bethany. Of all 3,713 names on AgeByName, Bethany's age curve is the closest match to Kacy's: 93% alike.
Other spellings: Kasey (32) · Kacey (26) · Kacie (30) · Kaci (28)
Think you can guess a Linda's age?
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Questions about the name Kacy
How old is the average Kacy?
The average Kacy in the US is 35 years old. The median is 36, so half are older and half younger.
How many people are named Kacy?
About 5,800 Kacys are alive in the US today, out of roughly 6,000 babies given the name since 1956.
When was the name Kacy most popular?
In 1990, when about 220 baby girls were named Kacy.
Is Kacy a Millennial name?
Partly. Millennials are the largest group, about 49% of living Kacys, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this