Sidni
- US rank
- Unranked
- Syllables
- 2
- Peak
- #4,677 in 1995
0 babies were named Sidni in the US in 2025.
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US births per million girls, 1949–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Sidni you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistorySidni first shows up in US birth records in 1949, the first year at least 5 babies got it. It has been in use for 76 years since.
- Best yearIts best year was 1995, when it reached #4,677.
About the name Sidni
Sidni is a gender-neutral name of French origin. It has 5 letters and 2 syllables, starting with S and ending in “-dni”. US birth records list Sidni for girls from 1949 to 2013, in 22 of those 65 years. Its best year was 1995, when it ranked #4,677 among girl names. It hasn't been given to 5 or more US babies in a year since 2013, so today it's a genuinely rare choice.
Origin:French names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1940s | 2.9 | 344,828 girls |
| 1980s | 0.4 | 2,325,581 girls |
| 1990s | 6.3 | 159,236 girls |
| 2000s | 5.4 | 185,185 girls |
| 2010s | 1.7 | 588,235 girls |
Other spellings of Sidni
More French names
- Girl name: Charlotte · free
- Girl name: Evelyn · possibly desired
- Girl name: Violet · violet flower
- Boy name: Sebastian · venerable
- Girl name: Camila · temple attendant
- Boy name: Leo · lion
- Boy name: Daniel · God is my judge
- Girl name: Ellie · possibly light
Questions about the name Sidni
What is the origin of the name Sidni?
Sidni has French roots in our records. Other French names include Charlotte, Evelyn, Violet.
Is Sidni a boy or girl name?
Both. Sidni is used for boys and girls.
How popular is the name Sidni?
Sidni is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2013. It peaked at #4,677 in 1995.