Possible Clues:

• Layperson?
• Child sat on by parent, one laying down brick
• Rock enthusiast?
• Mortarboard bearer
• One sculpting 'Mother and Child'
• Whom Brits call ''brickie''
• Layer of cement
• Sotomayor's TV inspiration
• Parent, with child, is stone dresser
• Elizabeth Aldworth was the first recorded female one