The story of Haidyn
Haidyn is rare for girls in the United States, ranked #3,178 in 2025 with 50 babies given the name. It is currently declining compared with a decade ago.
Since 1993, 2,945 American babies have been named Haidyn, about 76% girls and 24% boys, making it a genuinely unisex name. Its peak came in 2010, when 201 newborns received the name, the signature sound of the 2010s.
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 Haidyn stood among all girls' names in any year, or use the compare tool to plot it against other names.