US rank #3907 Unisex name Peak 2020 1,396 births

Cj — #3907 US boys' name

1,396 babies named Cj in U.S. Social Security records since 1968, with the highest year being 2020. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1960s51970s241980s1621990s3472000s3512010s3282020s179
#3907
of 14,243 boys in use

More common than 73% of names given to boys today.

2000s
Peak decade

25% of everyone ever named Cj was born in this single decade.

2020
Single peak year

47 babies were named Cj in 2020 — its busiest year on record.

What the Data Says About Cj

The Social Security Administration has registered 1,396 babies named Cj between 1968 and 2024, spanning 57 consecutive years of U.S. birth records. As a boy's name, Cj currently holds the #3907 rank among boys for 2024. The name reached its historical peak in 2020, when 47 babies received it in a single year. Cj is classified as unisex in SSA records: the opposite-sex variant accounts for 133 additional births since 1984.

Decade-level aggregation shows that Cj performed strongest in the 2000s, accumulating 351 births during that ten-year window. Across the 7 decades of recorded activity, Cj shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 129 births — the largest state-level total in the dataset — followed by Texas and Utah. In total, SSA state-level files list Cj in 7 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Cj in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 1,396 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Cj at a glance

Outside the top 1,000

Total births

1,396

Since 1968

57 years of records

Peak year

2020

47 births that year

Strongest decade: 2000s

Current rank

#3,907

Among boys

As of 2024

Active since

1968

Recorded for 57 years

Last year on file: 2024

Cj popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1968

Outside the top 1,000
Peak year (2020)
47
Annual births at peak — across 57 years of records
01020304050 20242017201020031996198919821968 5

Cj popularity over time — girls

133 total births recorded since 1984 (Cj as girls' name)

Unisex variant — 133 births
468101214 2016200519991996199319861984 7

Cj by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2000s
Peak decade
2000s
351 births that decade — 25% of Cj's all-time total
1960s51970s241980s1621990s3472000s3512010s3282020s179

Cj by state

Where Cj concentrates geographically — total births since 1968

Geographically diffuse
Top 7 states by recorded births for the name Cj
Rank State Visual share Births Share of total
#1 California
129 9.2%
#2 Texas
39 2.8%
#3 Utah
15 1.1%
#4 Hawaii
10 0.7%
#5 Arizona
5 0.4%
#6 New York
5 0.4%
#7 Ohio
5 0.4%
California share of Cj's total US births 9.2%
Even split

129 of 1,396 births nationwide. Compared to a flat distribution across 7 reporting states.

Frequently Asked Questions

How popular is the name Cj?
1,396 babies have been named Cj since 1968. It currently ranks #3907 among boys. The peak year was 2020 with 47 births.
When was Cj most popular?
Cj was most popular in the 2000s decade with 351 total births. The single peak year was 2020.
Where is Cj most popular?
The top states for the name Cj are California (129 births), Texas (39 births), Utah (15 births).
Is Cj a unisex name?
Yes, Cj is used for both boys and girls. As a boy's name it has 1,396 births, and as a girl's name it has 133 births.
How long has the name Cj been used?
Cj has been recorded in Social Security data since 1968, spanning 57 years of data through 2024.
What names are similar to Cj?
Names with a similar sound or spelling include Cjay. These share a common prefix and are also used for boys.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1968–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.