MyNameRoots
Baby name
Sidney
Girl Boy
23% girls / 77% boys
Origin of the name
The origin of Sidney is debated: an English place name made of words meaning “wide” and “island,” or a contraction of “Saint Denis,” which became a Norman surname and then an English first name.
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Classic name
Where babies named Sidney are born
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Tap a state to see its figures.
The darker the blue, the more common Sidney is in the state, compared with its births. White: no births published that year.
Where it is most popular
Compared with the national average, Sidney is most common in Louisiana (3.7 times), Mississippi (2.8) and New York (1.9), taking into account all births in each state since 1910.
One letter apart
- Sydney 9,404
Names from the same era
Short-lived name
Where babies named Sidney are born
Loading the map…
Tap a state to see its figures.
The darker the blue, the more common Sidney is in the state, compared with its births. White: no births published that year.
Where it is most popular
Compared with the national average, Sidney is most common in Utah (2.3 times), Washington (1.6) and Nebraska (1.6), taking into account all births in each state since 1910.
One letter apart
- Sydney 178,296
Names from the same era
Born in…
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Girls and boys, decade by decade
| Decade | Girls | Boys |
|---|---|---|
| 1880s | 7% | 93% |
| 1890s | 10% | 90% |
| 1900s | 9% | 91% |
| 1910s | 3% | 97% |
| 1920s | 4% | 96% |
| 1930s | 7% | 93% |
| 1940s | 9% | 91% |
| 1950s | 8% | 92% |
| 1960s | 8% | 92% |
| 1970s | 8% | 92% |
| 1980s | 19% | 81% |
| 1990s | 65% | 35% |
| 2000s | 75% | 25% |
| 2010s | 59% | 41% |
| 2020s | 47% | 53% |