boy's name
Jj
- Gender Boy
- Letters 2
- Popularity Uncommon
- Births on record 1,071
Ireland
#386
2025 births
Jj is a boy's name. In 2025 it was given to 39 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2022, when 39 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 85,012 babies in the United States is given this name.
- First appears in US birth records in 1963.
Jj over time
Births per decade in the United States, 1960s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1960s | 5 |
| 1970s | 100 |
| 1980s | 50 |
| 1990s | 72 |
| 2000s | 129 |
| 2010s | 202 |
| 2020s (to 2025) | 209 |
How popular is Jj?
In 2025, Jj was given to 39 babies in the United States. It is used consistently but remains uncommon.
Where Jj is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
How Jj is spelled
Birth registers count each spelling separately, so every one has its own ranking.
| Spelling | What it is | Births on record |
|---|---|---|
| J.j. | J.j. is a variant spelling of Jj, recorded in Ireland. | 3 |
Names that peaked alongside Jj
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Jj also like
Names whose popularity has risen and fallen in step with Jj over the last century — the same taste, a different name.
Sibling names for Jj
Names from the same era that won't rhyme or share an initial with Jj — the two things that make a sibling set grate.
Common questions about Jj
How popular is the name Jj?
In 2025, Jj was given to 39 babies in the United States. It is used consistently but remains uncommon.
Is Jj a girl's or a boy's name?
Jj is given almost entirely to boys in birth records.
When was Jj most popular?
Jj peaked in 2022, when 39 babies were given the name. It has been rising over the past decade.
Is Jj a good name?
That is not something records can settle, but they can tell you what you would be choosing. Jj currently ranks #386 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.