Baby Names Boy Names Meaning of the Name Shirou Updated February 11, 2026 by Jennifer M. Shirou Gender: Male Origin: Japanese Meaning: Fourth Son ♥ Add to my Namelist What is the meaning of the name Shirou? The name Shirou is primarily a male name of Japanese origin that means Fourth Son. People who like the name Shirou also like: Denis, Anthony, Kiano, Denzel, Dane, Shiro, Ryu, Ophelia, Lillian, Zaria, Zarita, Aria, Kiora, Priscilla Names like Shirou: Sakura, Shaurya, Shiori, Siri, Shayzier, Shichiro, Suri, Sariah, Sherri, Sayer, Soraya, Sareh, Seeker, Shakirah, Shichirou, Sayuri, Sarai, Shari, Sarahi, Sheera, Sahara, Shekhar, Shira, Sari, Sahar, Socorro, Sarah, Shahar, Shahryar, Sharee Stats for the Name Shirou Shirou is currently not in the top 100 on the Baby Names Popularity Charts Shirou is currently not ranked in U.S. births