About the name Blanch
Blanch 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, Blanch first appears in Social Security records in 1880. It climbed to its best-ever rank of #246 in 1885, and in 2024 0 babies received the name — 6,420 in total since 1880. Those are the official counts, not estimates.