The story of Sydelle
Sydelle is rare for girls in the United States, ranked #10,823 in 2025 with 9 babies given the name. It is currently holding steady compared with a decade ago.
Since 1906, 754 American babies have been named Sydelle. Its peak came in 1930, when 46 newborns received the name, the signature sound of the 1930s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Sydelle stood among all girls' names in any year, or use the compare tool to plot it against other names.