Save Type Surname (from given name) Usage Scottish Pronounced Pron. mə-KRAY [key·IPA] Meaning & History From Gaelic Mag Raith meaning "son of Rath", a given name meaning "prosperity" or "grace". Related NamesDetails VariantsMacRae, McCrae, Rae(Scottish) Mag Raith(Scottish Gaelic) Other Languages & CulturesMag Raith(Irish) Categories fortune, virtues, wealth