Possible Clues:

• Society member, as in 'servant'
• Postgraduate qualifications paid for by member of charitable society
• Comic who had the one-man show "The World According to Me"
• A worker in stone - may be free
• Perry whose secretary was Della Street
• Lawyer created by 5-Down
• Parent and child are as one when it comes to building
• One who dresses stone
• Stone carver
• Couple of relatives in the building game