Baby Names Boy Names Meaning of the Name Iain Updated January 10, 2026 by Jennifer M. Iain Gender: Male Origin: Scottish Meaning: God Is Gracious ♥ Add to my Namelist What is the meaning of the name Iain? The name Iain is primarily a male name of Scottish origin that means God Is Gracious. form of JohnPeople who like the name Iain also like: Elijah, Owen, Gabriel, Ethan, Declan, Liam, Ian, Ella, Charlotte, Olivia, Violet, Audrey, Abigail, Emma Names like Iain: Iman, Ione, Iona, Inaya, Ioan, Iyana, Inna, Ioana, Ine, Ianna, Ian, Ioane, Iwan, Inanna, Ion, Ieuan, Imani, Ina, Ime, Iiona Stats for the Name Iain Iain is currently not in the top 100 on the Baby Names Popularity Charts Iain is currently not ranked in U.S. births