Cj
Masculine
Cj is given to both — 1,423 boys and 133 girls since 1880. See other names given to both
CJ is two initials written as a name, which American naming has done for long enough that it no longer reads as an abbreviation.
How old is the name Cj?
Cj first appears in US birth records in 1968 — 57 years ago. The typical Cj alive today was born around 2005, making them about 20 years old. About 1,400 people named Cj are estimated to be alive in the US today.
When was the name Cj most popular?
Cj peaked in 1990, reaching #1809 nationally. Today it ranks #3949, 2,140 places below that high. See the whole 1990 chart.
Cj appears on this list:
Where it comes from
Origin, sound and short forms
Our story of Cj
Ours, offered as ours. Initial names are a genuinely American habit and an old one: nineteenth-century southern records are full of men whose legal names were two letters, sometimes with a period and sometimes not, and clerks recorded them faithfully. The practice was practical — it is what people were called — and it produced a small category of names with no meaning at all, only a reference to two names that were never written down.
Meaningnot established
Not established
No inherent meaning. The letters stand for whatever the family's names are — Charles James, Christopher John, Carlos Javier — and once registered as CJ they stop standing for anything and become the name itself.
Pronouncing Cj
SEE-jay
Two syllables, second slightly stressed. There is no variation.
Nicknames for Cj
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1968
- Most boys named
- 202047 — the highest on record
- Peak rank
- #1809reached in 1990
- Change vs 2024
- −3.6%27 in 2025, from 28
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Cj in other languages
Strongest US states over the last decade: California, Texas, Arizona.
Cjs among us
people named Cj are estimated to be alive in the US today
About 1 boy in 63,262 born in 2025 was named Cj
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Cj
- #3949
- Cj on the 2025 chart
- #889
- counting every spelling
The SSA counts spellings, not names. Cj went to 27 boys in 2025, but Kj is the same name said out loud. Together the 2 spellings went to 39, which makes it the 889th most-given boys’ name of the year — 3,060 places above the chart.
- Cj27
- Kj12
About 1 boy in 43,797 born in 2025 was given one of these spellings — against 1 in 63,262 for Cj itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Carla test
Every popular name lives one long story — a climb, a peak, a slow settling back. Cj's later chapters haven't been written yet, so we borrowed them: Carla climbed just as high around 1967, and its whole arc is on record. Line the two peaks up, and Carla's path sketches the road Cj is walking now.
Cj sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Where Cj is headed
Cj should hold steady through 2030 — the curve is flat, and flat curves are the most predictable kind. Its history is short or jumpy, though, so read this as a sketch rather than a promise.
Low confidence — fitted on official counts through 2025.
A damped-trend projection of the official birth data — a sketch of momentum, not a promise. Every name's forecast, ranked.
Cj beside its neighbors
The names ranked closest to Cj in 2025, in babies rather than position — the bars are to scale.
US boys given each name in 2025.
The trade-off
- Two letters — as short as a name can possibly be.
- Impossible to mispronounce or misspell once heard.
- Jay works as a complete name in its own right.
- It reads as an abbreviation, and forms will ask what it stands for.
- Systems that require more than two characters will reject it.
- There is no meaning behind it at all, which some find a loss.
Nobody names a baby alone.
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What they receive
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Cj
Masculine · #3949 in the U.S.
Frequently asked
- How many Cjs are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 1,400 people named Cj are estimated to be alive in the US today.
- How do you spell Cj?
- Cj is the most-used spelling in US records — 27 of the 39 babies given the name in 2025. The others recorded are Kj.
- How popular is the name Cj in 2025?
- Cj ranks #3949 among US boy names in 2025, with 27 babies given the name.
- How rare is the name Cj?
- About 1 in every 63,262 US boys born in 2025 was named Cj — 27 in all.
- Will my child share the name Cj with classmates?
- Cj will almost certainly be the only one in school.
Ranked beside Cj
Names sitting at a similar level of popularity right now.
Stewart#3949 · Tillman#3949 · Ashley#3949 · Alfonzo#3949 · Blane#3949 · Brayton#3949 · Omega#3949 · Rufus#3949
Looking for what else is popular rather than what resembles Cj? See the current top 100.
Choosing between Cj and another name?
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Which one would you pick?
Your gut first, the numbers after — the split shows once you pick.
US figures from the Social Security Administration. 1880–2025. Data & methodology
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