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Sidney

Gender-neutral name · English · French

Meaningwide island · Old English

US rank
#1,323
Syllables
2
Peak
#80 in 1912

146 babies were named Sidney in the US in 2025. It has dropped 163 places in five years.

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US births per million girls, 1880–2025

035070018801920196020002025

US births per million boys, 1880–2025

01,2002,40018801920196020002025

Most popular states (2025)

SC rank #743MA rank #789VA rank #798WA rank #801TN rank #842

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Sidney you might not know, from US birth records and Wikipedia. Handy for convincing a partner, or a grandparent.

Sidney Lumet

Famous Sidney

Sidney Lumet

American director, producer and screenwriter (1924–2011)

Choose Sidney and your child shares a first name with Sidney Lumet, an American director, producer and screenwriter. A ready-made answer when someone asks “Sidney, like who?” Sidney Lumet's Wikipedia article is available in 73 languages, a good sign of just how widely known they are.

Read about Sidney Lumet on Wikipedia (opens in a new tab)

Photo: gdcgraphics at https://www.flickr.com/photos/gdcgraphics/, CC BY-SA 2.0 (opens in a new tab), via Wikimedia Commons

  • How commonAbout 1 in every 11,696 baby boys born in the US in 2025 was named Sidney, 146 babies in all. In a typical school of 500 kids, your Sidney would very likely be the only one.
  • HistorySidney has been in use since at least 1880, the first year US birth records were kept. That's 145 years of Sidneys, and counting.
  • Best yearIt was far more popular in 1912, when it ranked #80. Today it's #1,323, so it could be due a comeback.
  • TrendSidney has slipped 163 places over the last five years and now sits at #1,323. Good news if you want a familiar name that fewer kids will share.
  • Where it's lovedSidney is most popular in South Carolina, where it ranks #743, followed by Massachusetts (#789) and Virginia (#798). It's in the top 1,000 in 8 states.
  • Boy or girlSidney is given to both boys and girls: 58% of the 251 babies named Sidney in 2025 were boys. That makes it one of the names that truly works for either.
  • MeaningIn Old English, Sidney means “wide island”. Our records link it to English and French roots.

About the name Sidney

Sidney is a gender-neutral name of English and French origin meaning “wide island”. It has 6 letters and 2 syllables, starting with S and ending in “-ney”. US birth records list Sidney for boys from 1880 to 2025, in 146 of those 146 years. Its best year was 1912, when it ranked #80 among boy names. In 2025 it ranked #1,323, with 146 babies. Of the 251 US babies named Sidney in 2025, 42% were girls and 58% were boys.

Origin:English namesFrench names

Sidney for girls, by decade
DecadeBabies per millionAbout 1 in
1880s9410,661 girls
1890s7712,915 girls
1900s6814,616 girls
1910s5318,836 girls
1920s4821,017 girls
1930s6615,242 girls
1940s6714,999 girls
1950s4721,473 girls
1960s3132,237 girls
1970s2147,237 girls
1980s4522,326 girls
1990s3922,553 girls
2000s4572,190 girls
2010s1656,066 girls
2020s8411,881 girls
Sidney for boys, by decade
DecadeBabies per millionAbout 1 in
1880s1,376727 boys
1890s1,409710 boys
1900s1,453688 boys
1910s1,943515 boys
1920s1,289776 boys
1930s8931,120 boys
1940s6561,525 boys
1950s4802,083 boys
1960s3532,829 boys
1970s2314,336 boys
1980s1815,533 boys
1990s1975,083 boys
2000s1377,301 boys
2010s1069,455 boys
2020s8811,422 boys

More English names

Questions about the name Sidney

What does the name Sidney mean?

Sidney means “wide island” in Old English.

What is the origin of the name Sidney?

Sidney has English, French roots in our records. Other English names include Olivia, Charlotte, Oliver.

Is Sidney a boy or girl name?

Both. Sidney is used for boys and girls: in 2025, 42% of US babies named Sidney were girls.

How popular is the name Sidney?

Sidney ranked #1,323 for US boys in 2025, given to 146 babies. Its best year was 1912 (#80).