Jj
A boys’ name with no widely documented etymology — one syllable, given to 15 babies a year in England and Wales.
Jj by the numbers
In 2025, 15 babies in England and Wales were named Jj. In the US, 16 were, though that figure is from 2017, the most recent full year we hold.
For the size of the two countries, it is given several times more often in England and Wales than in the US.
Its American peak was 26 babies in 2016, making it a 2010s name.
What we can tell you about Jj
Not every name has a meaning to trace. Plenty are coined rather than inherited — invented outright, blended from two names, or respelled from an older one — and where we cannot find an etymology we can stand behind, we would rather say so than make one up. What follows comes from the birth records themselves.
Spelled almost the same
Other names in the records within a letter or two of Jj. Close spellings are not always related names, but they are usually worth seeing together.