There’s been a bit of discussion about the name of the rivulet along the glen:
What’s in a name? What to call the stream running through the Glen Goyle? – Friends of Glen Goyle
With a fair bit of history here on the name:
A history of the Wool Brook – Friends of Glen Goyle
A new page has just been added – which shows some newspaper cuttings from the 1870s – which in turn talk about the ‘Woolbrook Glen’:
A history of the Wool Brook – Friends of Glen Goyle
Here’s a wonderful map of the brook from the 1905 Ordnance Survey map – but with no name: