Sydni
Another spelling of Sydney, which started as an English surname drawn from Saint-Denis in Normandy, a place named for Saint Denis, the first bishop of Paris.
Sydni in 2025
Sydni was given to 8 babies in the United States in 2025, making it the 19,829th most popular name of the year. That is roughly one in every 414,418 babies born.
The history of Sydni
Sydni reached its highest point in 2000, when 468 babies were given the name, ranking 1,043rd that year.
Across the 79 years of records since 1947, 5,361 babies have been named Sydni. Half of them were born before 2001, which places the name's centre of gravity with Generation Z.
Sydni by decade
| Decade | Babies named Sydni | Best rank |
|---|---|---|
| 1940s | 5 | 9,190 |
| 1960s | 9 | 7,140 |
| 1970s | 18 | 10,580 |
| 1980s | 217 | 3,285 |
| 1990s | 1,946 | 1,121 |
| 2000s | 2,503 | 1,043 |
| 2010s | 575 | 3,433 |
| 2020s | 88 | 8,191 |
Where Sydni is heading
Sydni has fallen 81% over the past decade, from 42 babies in 2015 to 8 in 2025.
That is less than 5% of its 2000 peak — Sydni is now a rare name in the United States.
Names like Sydni
Names that rose and fell at the same time as Sydni.