Baby Names Gender-Neutral Names Meaning of the Name Innis Updated January 14, 2026 by Jennifer M. Innis Gender: Neutral Origin: Irish Meaning: Island ♥ Add to my Namelist What is the meaning of the name Innis? The name Innis is primarily a gender-neutral name of Irish origin that means Island. People who like the name Innis also like: Declan, Connor, Oliver, Finn, Ronan, Silas, Nolan, Isla, Eloise, Adelaide, Charlotte, Aven, Maeve, Imogen Names like Innis: Imke, Inoke, Iniko, Inigo, Inga, Ioannis, Ines, Ingo, Inge, Ince, Inci, Inez, Inchic Stats for the Name Innis Innis is currently not in the top 100 on the Baby Names Popularity Charts Innis is currently not ranked in U.S. births