About the name Manlio
Manlio belongs to the Spanish and Portuguese 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, Manlio first appears in Social Security records in 1914. It climbed to its best-ever rank of #3574 in 1914, and in 2024 0 babies received the name — 11 in total since 1880. Those are the official counts, not estimates.