Baby Names Boy Names Meaning of the Name Jirou Updated March 14, 2026 by Jennifer M. Jirou Gender: Male Origin: Japanese Meaning: Second Son ♥ Add to my Namelist What is the meaning of the name Jirou? The name Jirou is primarily a male name of Japanese origin that means Second Son. People who like the name Jirou also like: Ichiro, Daijiro, William, Akihiko, Sebastian, Jiro, Jasper, Aiko, Ai, Leilani, Aninda, Kailani, Keona, Chika Names like Jirou: Jaeger, Jauhar, Jasiri, Jasher, Jaguar, Jariah, Jrue, Jaser, Jerry, Jecori, Jora, Jira, Jory, Jair, Jiro, Jorah, Jirair, Jiraiya, Jeor, Jeseray, Jarrah, Jeri, Jesher, Jairo, Jaegar, Jurou, Jayashri, Jeriah, Jacory, Juro Stats for the Name Jirou Jirou is currently not in the top 100 on the Baby Names Popularity Charts Jirou is currently not ranked in U.S. births