Baby Names Gender-Neutral Names Meaning of the Name Keir Updated January 15, 2026 by Jennifer M. Keir Gender: Neutral Origin: Irish Meaning: Black ♥ Add to my Namelist What is the meaning of the name Keir? The name Keir is primarily a gender-neutral name of Irish origin that means Black. People who like the name Keir also like: Owen, Finn, Liam, Keiran, Holden, Oliver, Nolan, Grace, Niamh, Keira, Brynn, Violet, Charlotte, Evelyn Names like Keir: Kara, Kera, Kaira, Keira, Kirra, Kari, Kyria, Kuri, Kurou, Kachiri, Kyrie, Kori, Koharu, Kerra, Khari, Kory, Kaysar, Kierra, Kura, Koori, Kokuro, Kaywar, Kiara, Kaur, Kira, Kaiser, Kiora, Karah, Kaoru, Kare Stats for the Name Keir Keir is currently not in the top 100 on the Baby Names Popularity Charts Keir is currently not ranked in U.S. births