Sidney
Literal root meaning: “wide + island”
About the name Sidney
Sidney is a girl name with Old English roots, literally “wide + island”.
It has a classic, unique, nature feel. In 2025, Sidney ranked #1327 for boys in the US, with 146 babies given the name. Its peak year since 1940 was 1947. Since 2000, 68% of US babies named Sidney were girls.
Etymology
From Old English, meaning “wide” + “island”.
Name meaning adapted from Wiktionary (“Sidney”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #1327
- In 2015
- #1088
- Babies in 2025
- 146
Popularity of Sidney, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Names similar to Sidney
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.