Not sure if this is helpful:
I have noted also the there are a couple of entries in the UK, Register of Duties Paid for Apprentices' Indentures, 1710-1811 for a Wm Roberts. "cabinet maker" and I cant make our the other profession Newke, Hewke, Heuke, Neuke?
Name
Wm Roberts
Payment Date
10 Feb 1792
Residence Location
Plymouth, Devon
Household - 2
Name
Wm Roberts
Payment Date
25 Apr 1788
Residence Location
Plymouth, Devon
Household - 2
UK directories 1680-1830 also show:
Name: William Roberts
Dates: 1776-1800
Location: Plymouth Dock
Occupation: Agent financial/brokering services
Gender: Male
Address:Plymouth Dock
Source Date:1784