About the name Lu
Lu belongs to the English & American tradition. Its roots are documented, even though its precise meaning is not recorded in the standard references — an honest gap we prefer to a confident guess.
In the United States, Lu first appears in Social Security records in 1886. It climbed to its best-ever rank of #442 in 1954, and in 2024 8 babies received the name — 4,040 in total since 1880. Those are the official counts, not estimates.