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How Many People Are Named Sidney?
Estimated people named Sidney living in the U.S. today
56,861
Gender distribution
62% male · 38% female in SSA records.
Name scorecard
- Total U.S. births recorded (1880–2024): 108,736
- Peak year: 1918 (1,939 births)
- Estimated living today: 56,861
Sidney by age group — who carries the name today?
Sidney popularity over time (1880–2024)
Estimated living bearers by birth decade
About the name Sidney
Sidney has been recorded by the Social Security Administration since the 19th century dataset began. In total, 108,736 babies were given the name in the United States between 1880 and 2024. After adjusting each birth cohort for survival to today, an estimated 56,861 bearers are still living — roughly 1 in 6,011 Americans. The name's strongest decade shapes how old most Sidneys you meet will be, which the age-group breakdown above shows directly. All figures are statistical estimates from public records; see our methodology for sources, the survival model, and the limits of the data (names given to fewer than five babies in a year are not published by the SSA).
Frequently asked questions
How many people are named Sidney in the US?
An estimated 56,861 people named Sidney are living in the United States today, based on SSA birth records from 1880 to 2024 adjusted for survival. That makes Sidney rare — about 1 in 6,011 Americans.
Is Sidney a boy or girl name?
In SSA records, Sidney is 62% male and 38% female, so it is predominantly a male name.
When was Sidney most popular?
Sidney peaked in 1918, when 1,939 babies were given the name. Its current trend is declining compared with the previous decade.
How rare is the name Sidney?
Sidney ranks #828 of 104,819 first names recorded by the SSA, with a rarity score of 44 out of 100 (higher means rarer).