Place Name
Descriptive. Hillingdon Hill is 134m (440ft) high and overlooks the Colne valley. The name Hillingdon itself is Old English is thought to mean the hill of a man called Hilda, a shortening of Hildric or Helfwulf, the last syllable derives from dūn, meant hill in Middle English. First mentioned sometime around 1080 as Hildendune within a decade it was being spelt Hillendone, in the Domesday survey of 1086. By the 13thCentury it was spelt Hillingdon in 1248 and took the present spelling in 1291. So is in effect means Hilda’s hill hill.
