Sidne
- US rank
- Unranked
- Syllables
- 1
- Peak
- #4,205 in 1948
0 babies were named Sidne in the US in 2025.
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US births per million girls, 1948–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Sidne you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistorySidne first shows up in US birth records in 1948, the first year at least 5 babies got it. It has been in use for 77 years since.
- Best yearIts best year was 1948, when it reached #4,205.
About the name Sidne
Sidne is a girl name of French origin. It has 5 letters and 1 syllable, starting with S and ending in “-dne”. US birth records list Sidne for girls from 1948 to 2003, in 7 of those 56 years. Its best year was 1948, when it ranked #4,205 among girl names. It hasn't been given to 5 or more US babies in a year since 2003, so today it's a genuinely rare choice.
Origin:French names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1940s | 2.0 | 487,805 girls |
| 1950s | 0.2 | 4,166,667 girls |
| 1990s | 1.1 | 925,926 girls |
| 2000s | 1.5 | 666,667 girls |
Other spellings of Sidne
More French girl names
- Girl name: Charlotte · free
- Girl name: Evelyn · possibly desired
- Girl name: Violet · violet flower
- Girl name: Camila · temple attendant
- Girl name: Ellie · possibly light
- Girl name: Lainey · possibly light
- Unisex name: Avery · elf counsel
- Girl name: Eloise · possibly healthy, wide
Questions about the name Sidne
What is the origin of the name Sidne?
Sidne has French roots in our records. Other French names include Charlotte, Evelyn, Violet.
Is Sidne a boy or girl name?
Sidne is a girl name.
How popular is the name Sidne?
Sidne is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2003. It peaked at #4,205 in 1948.