Sidnee
Literal root meaning: “wide + island”
About the name Sidnee
Sidnee is a girl name with Old English roots, literally “wide + island”. It is related to Sidney, which is where the meaning comes from.
It has a unique, nature feel. Fewer than 5 US babies of either sex received it in 2025, so it's very rare right now. Its peak year since 1940 was 1999. Since 2000, 100% of US babies named Sidnee were girls.
Etymology
A variant of Sidney, which comes from Old English, meaning “wide” + “island”.
Name meaning adapted from Wiktionary (“Sidnee”, “Sidney”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- Not ranked
- In 2015
- #12854
- Babies in 2025
- Under 5
Popularity of Sidnee, 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 Sidnee
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.