Baby Names Boy Names Meaning of the Name Kairu Updated January 18, 2026 by Jennifer M. Kairu Gender: Male Origin: African - Kikuyu of Kenya Meaning: Black One ♥ Add to my Namelist What is the meaning of the name Kairu? The name Kairu is primarily a male name of African - Kikuyu of Kenya origin that means Black One. People who like the name Kairu also like: Kairos, Idris, Ajani, Kasim, Dante, Kamau, Kalil, Aurora, Ayasha, Nailah, Amaya, Kioni, Karasi, Kaira Names like Kairu: Koharu, Kiri, Khari, Kyrie, Kaira, Kokuro, Kozakura, Kachiri, Kera, Kerra, Kerrya, Kaysar, Kuro, Kare, Kara, Kyaire, Kyra, Kori, Kurou, Kerry, Kishore, Kaywar, Kari, Kaori, Karro, Kirya, Khayriyya, Keira, Kirra, Kura Stats for the Name Kairu Kairu is currently not in the top 100 on the Baby Names Popularity Charts Kairu is currently not ranked in U.S. births