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).
Hello, world
Sidney
Your last name
born on your big day
7 LB 4 OZ · 20 IN
The Baby Kit
See Sidney on a birth announcement
Birth announcements, shower invitations, nursery wall art and milestone cards, all personalized with Sidney. Type your details once and print at home or at any print shop.
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.