Sydnei
- US rank
- Unranked
- Syllables
- 2
- Peak
- #3,361 in 1996
0 babies were named Sydnei in the US in 2025.
Found on lists
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US births per million girls, 1988–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Sydnei you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistorySydnei first shows up in US birth records in 1988, the first year at least 5 babies got it. It has been in use for 37 years since.
- Best yearIts best year was 1996, when it reached #3,361.
About the name Sydnei
Sydnei is a girl name of French origin. It has 6 letters and 2 syllables, starting with S and ending in “-nei”. US birth records list Sydnei for girls from 1988 to 2020, in 33 of those 33 years. Its best year was 1996, when it ranked #3,361 among girl names. It hasn't been given to 5 or more US babies in a year since 2020, so today it's a genuinely rare choice.
Origin:French names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 4.2 | 240,964 girls |
| 1990s | 12 | 85,690 girls |
| 2000s | 15 | 67,385 girls |
| 2010s | 7.4 | 135,318 girls |
| 2020s | 4.9 | 204,082 girls |
Other spellings of Sydnei
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 Sydnei
What is the origin of the name Sydnei?
Sydnei has French roots in our records. Other French names include Charlotte, Evelyn, Violet.
Is Sydnei a boy or girl name?
Sydnei is a girl name.
How popular is the name Sydnei?
Sydnei is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 2020. It peaked at #3,361 in 1996.