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Cj

Boy · SEE-jay · Modern

Cj is a boys' name of Modern origin. In 2025 it ranked 2,202nd for boys in the UK (11 babies) and 3,948th for boys in the US (27 babies).

What does Cj mean?

Modern: from the initials C.J.

Formed from the initials C and J, which often stand for two given names such as Christopher James.

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Is Cj a girl's or a boy's name?

Cj is a boys' name. In 2025, it was given to 11 boys in the UK and 27 boys in the US. Too few girls were given it to be listed.

How popular is Cj in the UK?

Rank in 2025
#2,202among boys
Babies in 2025
11about 1 in 27,000 boys
Five-year trend
Steadydown 21% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 11 boys in the UK were named Cj, making it the 2,202nd most popular name for boys. Five years earlier, in 2020, it was 1,829th. Its busiest year was 2017, with 19 boys.

Half of all the boys named Cj in the UK since 1996 were born between 2010 and 2020, the years shaded on the chart below.

In 2025, 19 boys in the UK were given Cj or a name that sounds the same. With every name's spellings counted this way, that ranks #1,288, up from #2,202 for this spelling alone.

Among boys in 2025, it was 2,130th in England and Wales.

1999Busiest: 19 in 20172025
Cj in the UK, year by year
YearBoysRank
202511#2,202
202411#2,149
202312#2,024
202212#1,999
202112#1,969
202013#1,829
201912#1,974
201818#1,486
201719#1,428
201611#2,143
201513#1,888
201410#2,207
20138#2,541
20127#2,849
201110#2,158
201010#2,141
200912#1,852
200814#1,599
20079#2,139
20065#3,013
20054#3,330
20040–
20034#2,990
20020–
20010–
20000–
19993#3,043

How popular is Cj in the US?

Rank in 2025
#3,948among boys
Babies in 2025
27about 1 in 63,000 boys
Five-year trend
Steadydown 12% in five years
Same name in a class
under 1%chance among 15 boys

In 2025, 27 boys in the US were named Cj, making it the 3,948th most popular name for boys. Five years earlier, in 2020, it was 2,657th. Its busiest year was 2020, with 47 boys. It first appears in the records in 1968.

It has been given to fewer boys each year for the last 3 years. 2025 had fewer boys named Cj than any year since 2018.

Half of all the boys named Cj in the US since 1880 were born between 1994 and 2014, the years shaded on the chart below.

In 2008, 16% of the babies named Cj in the US were girls.

1968Busiest: 47 in 20202025
Cj in the US, year by year
YearBoysRank
202527#3,948
202428#3,894
202335#3,345
202236#3,276
202133#3,424
202047#2,657
201931#3,568
201824#4,222
201732#3,437
201620#4,775
201533#3,364
201446#2,620
201334#3,187
201243#2,771
201132#3,363
201033#3,307
200936#3,161
200831#3,483
200738#3,023
200636#3,023
200537#2,842
200430#3,213
200337#2,670
200235#2,681
200137#2,557
200034#2,669
199933#2,604
199835#2,447
199731#2,542
199630#2,530
199538#2,135
199443#1,922
199326#2,691
199232#2,298
199136#2,046
199043#1,804
198928#2,353
198822#2,594
198719#2,721
198625#2,224
198510#4,047
198414#3,105
19839#4,139
198210#3,964
198114#3,028
198011#3,614
19797#4,840
19787#4,552
19775#5,843
19760–
19750–
19745#5,225
19730–
19720–
19710–
19700–
19690–
19685#4,135

Names like Cj

Names given in the same years and the same naming tradition, with a similar sound.

Other spellings of Cj

Names related to Cj

More Modern names