Jocko is a very rare boys' name that peaked in 2022 and has grown less common since.
Jocko is a boy name. In 2025 it ranked #12,887 for boy births in the United States (and #26,505 across all names), given to 5 babies. Jocko first appears in 1955 and peaked in 2022 (14 births).
Boys named Jocko per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 1955–2025 · U.S.+territories from SSA territory files (1998–2025)