The story of Ilia
Ilia is rare for girls in the United States, ranked #4,217 in 2025 with 34 babies given the name. It is currently rising compared with a decade ago.
Since 1912, 1,077 American babies have been named Ilia, about 76% girls and 24% boys, making it a genuinely unisex name. Its peak came in 2025, when 90 newborns received the name, the signature sound of the 2020s.
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 Ilia stood among all girls' names in any year, or use the compare tool to plot it against other names.