The story of Lark
Lark is rare for girls in the United States, ranked #4,416 in 2025 with 32 babies given the name. It is currently rising compared with a decade ago.
Since 1885, 2,134 American babies have been named Lark, about 87% girls and 13% boys, making it a genuinely unisex name. Its peak came in 1949, when 72 newborns received the name, the signature sound of the 1940s.
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 Lark stood among all girls' names in any year, or use the compare tool to plot it against other names.