Meaning: Its source is Munro, a Scots Gaelic name meaning "Mouth of the river Rotha, in Ireland."

Nicknames: Mon

Alternative Spellings: Monro and Munroe

Source Forms: Munro

Popularity: The name Monroe ranked 766th in popularity for males of all ages in a sample of the 1990 US Census.

Though this name appears on the 1990 U.S. Census lists, it is used by only a small percentage of the general population.

Narrative: This originated as a surname identifying those who lived near this river's mouth. It has been given to boys in America as a personal name often in honor of the fifth U.S. President, James Monroe (1758-1831), whose Monroe Doctrine forbidding foreign interference in the Americas did much to define the new country's place in the world.