About the name Cosette
Cosette 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, Cosette first appears in Social Security records in 1912. It climbed to its best-ever rank of #1554 in 2015, and in 2024 104 babies received the name — 2,964 in total since 1880. Those are the official counts, not estimates.