Baby Names Boy Names Meaning of the Name Kael Updated February 13, 2026 by Jennifer M. Kael Gender: Male Origin: Irish Meaning: Slender ♥ Add to my Namelist What is the meaning of the name Kael? The name Kael is primarily a male name of Irish origin that means Slender. Form of CaelPeople who like the name Kael also like: Finn, Declan, Aiden, Owen, Gabriel, Liam, Kaden, Isla, Scarlett, Amelia, Charlotte, Ella, Audrey, Ava Names like Kael: Kylee, Kaliyah, Kaley, Khalil, Kulya, Kaushal, Khal, Kyla, Kahlilia, Kaula, Keilah, Keala, Kualii, Kaiholo, Kyel, Kylo, Kiley, Kayla, Kal-el, Kali, Kaili, Kalei, Kele, Khaleel, Kalil, Kahale, Khalilah, Kealoha, Kella, Kaeli Stats for the Name Kael Kael is currently not in the top 100 on the Baby Names Popularity Charts Kael is currently not ranked in U.S. births