meaning name liam
German Meaning: The name Liam is a German baby name. In German the meaning of the name Liam is: Will-helmet. Famous Bearers: poet and playwright William Shakespeare (1564-1616) and William Wordsworth. American Meaning: The name Liam is an American baby name. In American the meaning of the name Liam is: Will-helmet. Famous Bearers: poet and playwright William Shakespeare (1564-1616) and William Wordsworth. Gaelic Meaning: The name Liam is a Gaelic baby name.