Cj Boy
How popular is Cj?
#3,948 boy name in 2025
27 baby boys were named Cj in the US in 2025, making it the 3948th most popular boy name.
Cj popularity over time
Boys Girls
| Rank in 2025 | #3,948 for boys (▼ 54 from 2024) |
|---|---|
| Babies in 2025 | 27 boys |
| 10-year trend | Falling (-18% babies vs 2015) |
| Earlier ranks | #3,364 in 2015, #2,657 in 2020 |
| Peak year | 2020 (47 boys) |
| Highest rank | #1,804 in 1990 |
| First recorded | 1968 |
| Boys vs girls (last 10 years) | 98% boys, 2% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Cj counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Cj family of names ranked #2,465 for boys in 2025 (#2,269 the year before), with 39 babies in all.
| Spelling | Boys in 2025 | Share |
|---|---|---|
| Cj | 27 | 69% |
| Kj | 12 | 31% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Cj is most popular
Babies named Cj per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- California: 0.0 per 1,000 (13 boys)
- Texas: 0.0 per 1,000 (11 boys)
Cj by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1960s | 5 | #4,135 |
| 1970s | 24 | #4,552 |
| 1980s | 162 | #2,224 |
| 1990s | 347 | #1,804 |
| 2000s | 351 | #2,557 |
| 2010s | 328 | #2,620 |
| 2020s | 206 | #2,657 |
Boy names about as popular as Cj
Questions
- Is Cj a boy or girl name?
- Cj is mostly a boy name. Over the last 10 years, 98% of babies named Cj were boys.
- How popular is the name Cj?
- 27 baby boys were named Cj in the US in 2025, making it the 3948th most popular boy name.
- When was Cj most popular?
- Cj peaked in 2020, when 47 boys were given the name. Its highest rank was #1,804 in 1990.
- How many people are named Cj?
- 1,556 babies have been named Cj in the US since 1880. We estimate about 1,524 of them are alive in 2026, with a median age of 22.
- Where is Cj most popular?
- From 2021 to 2025, Cj was most common in California, at 0.0 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.