Sydnie Girl
How popular is Sydnie?
#10,104 girl name in 2025
9 baby girls were named Sydnie in the US in 2025, making it the 10104th most popular girl name.
5,101living people named Sydnie (est.)
25median age of people named Sydnie
5,187babies named Sydnie since 1880
1 in 368,371US babies born in 2025
Sydnie popularity over time
| Rank in 2025 | #10,104 for girls (▼ 1666 from 2024) |
|---|---|
| Babies in 2025 | 9 girls |
| 10-year trend | Falling fast (-74% babies vs 2015) |
| Earlier ranks | #4,231 in 2015, #6,321 in 2020 |
| Peak year | 2000 (352 girls) |
| Highest rank | #669 in 1999 |
| First recorded | 1933 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Sydnie counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Sydney family of names ranked #324 for girls in 2025 (#270 the year before), with 1,009 babies in all.
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Sydnie by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1930s | 5 | #4,216 |
| 1940s | 29 | #3,800 |
| 1950s | 34 | #4,068 |
| 1960s | 32 | #4,865 |
| 1970s | 5 | #9,282 |
| 1980s | 171 | #2,245 |
| 1990s | 1,877 | #669 |
| 2000s | 2,366 | #681 |
| 2010s | 579 | #1,857 |
| 2020s | 89 | #6,170 |
Girl names about as popular as Sydnie
Questions
- Is Sydnie a boy or girl name?
- Sydnie is mostly a girl name. Over the last 10 years, 100% of babies named Sydnie were girls.
- How popular is the name Sydnie?
- 9 baby girls were named Sydnie in the US in 2025, making it the 10104th most popular girl name.
- When was Sydnie most popular?
- Sydnie peaked in 2000, when 352 girls were given the name. Its highest rank was #669 in 1999.
- How many people are named Sydnie?
- 5,187 babies have been named Sydnie in the US since 1880. We estimate about 5,101 of them are alive in 2026, with a median age of 25.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.