The story of Lyn
Lyn is rare for girls in the United States, ranked #10,579 in 2025 with 9 babies given the name. It is currently rising compared with a decade ago.
Since 1896, 8,781 American babies have been named Lyn, about 82% girls and 18% boys, making it a genuinely unisex name. Its peak came in 1954, when 330 newborns received the name, the signature sound of the 1950s.
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 Lyn stood among all girls' names in any year, or use the compare tool to plot it against other names.