Baby Names Boy Names Meaning of the Name Iain Updated January 14, 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: Liam, Gabriel, Owen, Ian, Declan, Ethan, Elijah, Violet, Olivia, Abigail, Emma, Ella, Audrey, Charlotte Names like Iain: Iyana, Ioane, Ieuan, Iwan, Imani, Ioana, Iona, Ion, Ime, Inaya, Ina, Ione, Inna, Iman, Ian, Ioan, Ianna, Inanna, Iiona, Ine 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