Lu is a distinctive girls' name in United States, ranking #12652 in 2025 with 7 recorded births. This places Lu in the bottom 27% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2023 with 11 births ranking #9354. In 2025, approximately 1 in every 229,610 girls born was named Lu. FALLING Recent data shows the name is currently falling.