About the name Kazuo
Kazuo belongs to the Japanese 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, Kazuo first appears in Social Security records in 1911. It climbed to its best-ever rank of #933 in 1921, and in 2024 0 babies received the name — 757 in total since 1880. Those are the official counts, not estimates.