Cj
Cj was the 3967th most popular name for boys in 2025, given to 27 babies. Its best year was 1990, when it ranked 1816th; the most babies were born in 2020 (47). Over the last ten years it has moved down 584 places. More babies were named Cj in the 1990s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #3,967 boys, down 1,301 places since 2020
- Babies in 2025
- 27boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 202047 babies
- Total since 1880
- 1,556babies recorded
Cj popularity since 1880
A few girls are given the name too: 133 since 1984.
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #3,967 | 27 |
| 2020 | #2,666 | 47 |
| 2010 | #3,319 | 33 |
| 2000 | #2,684 | 34 |
| 1990 | #1,816 | 43 |
| 1980 | #3,657 | 11 |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Cj, counting every spelling?
Cj is the most common spelling of a name family that had 39 boys in 2025 across its spellings. Together these spellings went to 39 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Cj | 27 | #3,967 | 159 |
| Kj | 12 | #7,021 | 79 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Cj?
27 of the 3,606,400 babies born in the US in 2025 were named Cj (0.01 per 1,000 births). For a boy named Cj born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 310 (of 430 pupils) would have a child named Cj.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Cj?
About 1,400 people born in the US named Cj are alive today, with a median age of 21; half are between 12 and 32. That makes Cj mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Cj by state
How common Cj was among boys born in each state in 2021–2025. In 49 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Cj: their share of US boys followed the most similar curve since 1880. If you like Cj, they share its era and feel.
Questions about the name Cj
How popular is the name Cj?
Cj was the 3967th most popular name for boys in 2025, given to 27 babies. Its best year was 1990, when it ranked 1816th; the most babies were born in 2020 (47). Over the last ten years it has moved down 584 places. More babies were named Cj in the 1990s than in any other decade.
Is Cj a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Cj in the US.
Where is Cj most popular?
In 2021–2025, Cj was most common in California (0.01 per 1,000 boys), followed by Texas and Texas.