Other Forms FormsGlyndon
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Contributor Contrib.anonymous on 11/4/2007
From a surname which was from a place name: either Glendon in Devon or Glendon Hall in Northamptonshire. The latter means "hill clear of weeds" in Old English (from the elements clæne "clean, pure" and dun "down, moor; height, hill, mountain"), while the Devon place name is derived from Cornish glynne "valley" and Old English dun "hill".Alternatively Glendon could be from an Irish surname, a reduced and altered form of MacAlinden, itself an Anglicized form of Mac Giolla Fhionntáin meaning "son of a devotee of Saint FINTAN" in Gaelic.