The story of Lu
Lu is rare for girls in the United States, ranked #12,652 in 2025 with 7 babies given the name. It is currently rising compared with a decade ago.
Since 1886, 4,081 American babies have been named Lu. Its peak came in 1954, when 394 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 Lu stood among all girls' names in any year, or use the compare tool to plot it against other names.