Sidney
An English surname from Saint-Denis in France, later read as Old English “wide island”; the Australian city carries the same name.
Popularity, 1880–2025
Sidney appears in the national records from the very first year, 1880. It has ranked among the top 100 names for American boys in 17 different years between 1880 and 1919. Its biggest year was 1918, when 1,879 newborn boys received the name, ranking it No. 94 nationally. Its best ranking came in 1912, at No. 80. The name has also seen real use for girls: 24,785 of the 108,987 Americans given the name since 1880.
Related names
Other spellings on record: Sydney (187,700), Sydnee (8,255), Sydni (5,361), Sydnie (5,187), Cydney (5,170), Cydnee (953) (total births since 1880)
Other names that share a story: Pamela, Stella
Explore Sidney interactively →By the decade
| Decade | Births | Best rank |
|---|---|---|
| 1880s | 1,505 | No. 86 |
| 1890s | 1,612 | No. 100 |
| 1900s | 1,981 | No. 101 |
| 1910s | 12,793 | No. 80 |
| 1920s | 14,201 | No. 107 |
| 1930s | 9,420 | No. 150 |
| 1940s | 9,608 | No. 169 |
| 1950s | 9,632 | No. 195 |
| 1960s | 6,844 | No. 271 |
| 1970s | 3,817 | No. 361 |
| 1980s | 3,333 | No. 440 |
| 1990s | 3,829 | No. 503 |
| 2000s | 2,729 | No. 593 |
| 2010s | 1,991 | No. 827 |
| 2020s | 907 | No. 1160 |
Births and rank shown for boys, the sex more often given the name. The Social Security Administration omits name–year combinations with fewer than five births.
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Data: U.S. Social Security Administration national baby-name file, 1880–2025.