Einar is a name with Old Norse roots. It was popular in Scandinavia during the Viking Age and was eventually brought to other parts of Europe by Norse settlers. The name Einar is derived from the Old Norse word Æinarr, and the meaning of Einar is ‘lone warrior’, ‘one warrior’, or ‘one who fights alone’. It was originally a name given to someone who was a battle leader or perhaps an only child. Over time, the meaning of the name Einar has changed slightly, and is now often used to describe someone who is independent and self-reliant. This Viking name would be perfect for your little baby, who would grow up to have warrior-like qualities. Einar as a name is generally given to babies of a specific gender. An example of a popular celebrity with the name is Einár, a Swedish rapper.