Save Type Surname (from location) Usage Scottish, English Pronounced Pron. /ˈɡlɛn/(English) [key·simplify] Meaning & History From place names derived from Gaelic gleann "valley". A famous bearer was the American astronaut John Glenn (1921-2016). Related NamesDetails RootglennVariantGlen(Scottish) Other Languages & CulturesGlynn(Cornish) Glynn(Welsh)