Baby Names Boy Names Meaning of the Name Kael Updated November 10, 2025 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, Liam, Declan, Aiden, Kaden, Owen, Gabriel, Charlotte, Ella, Amelia, Scarlett, Isla, Audrey, Ava Names like Kael: Kayaliya, Kella, Kiele, Keola, Keely, Kayley, Kaleho, Kayla, Kele, Kaley, Kal-el, Kylia, Kahlilia, Kaeli, Khal, Kawelo, Kealoha, Kiley, Kalli, Kalle, Kailey, Kaylee, Kikilia, Kualii, Kuulei, Kaiholo, Keilah, Kaliyah, Kolya, Kausalya 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