MyNameRoots
Baby name
Jan
Girl Boy
71% girls / 29% boys
Origin of the name
For girls, Jan is a short form of Janet or Jane. For boys, it is the Dutch and Scandinavian form of John.
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Short-lived name
Where babies named Jan are born
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The darker the blue, the more common Jan is in the state, compared with its births. White: no births published that year.
Where it is most popular
Compared with the national average, Jan is most common in Hawaii (2.9 times), Utah (2.6) and Oregon (2.1), taking into account all births in each state since 1910.
One letter apart
Names from the same era
Classic name
Where babies named Jan are born
Loading the map…
Tap a state to see its figures.
The darker the blue, the more common Jan is in the state, compared with its births. White: no births published that year.
Where it is most popular
Compared with the national average, Jan is most common in Pennsylvania (1.9 times), New York (1.8) and Indiana (1.6), taking into account all births in each state since 1910.
One letter apart
Names from the same era
Born in…
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Girls and boys, decade by decade
| Decade | Girls | Boys |
|---|---|---|
| 1900s | 0% | 100% |
| 1910s | 40% | 60% |
| 1920s | 59% | 41% |
| 1930s | 51% | 49% |
| 1940s | 62% | 38% |
| 1950s | 82% | 18% |
| 1960s | 84% | 16% |
| 1970s | 71% | 29% |
| 1980s | 49% | 51% |
| 1990s | 19% | 81% |
| 2000s | 4% | 96% |
| 2010s | 5% | 95% |
| 2020s | 4% | 96% |