Have a very quick look at the Clark's in Wollaston

Lloyd George Land Survey 1909

http://www.glos1909survey.org.uk

There are a few

A M Clark/John Clark/Maria Clark etc

if you click on their names is give more info

i.e.

Place: Woolastone
Income tax parish: Wollaston
Person(s) served with valuation: owners
Date when served: 06/06/1913

Occupied by: Clark AM
Owned by: Clark AM

Type of property: Non-residential
owner occupied

Property:

Description: cottage (ruins)
Address: Brookend
Size: 22 perches
Map reference : 47.13G

Gross Value £25
Site Value: £15
Building £10
Taxable Value £15