Ms Nattrass, who lives in Weardale, is an area manager for County Durham and Darlington Fire and Rescue Service, while her sister is a dinner lady at Neville’s Cross Primary School, in Durham City.
Miss Wright, 18, works for her father’s firm of undertakers, Stuart Wright Funeral Service. In 2011, she became Britain’s youngest funeral director.
All the new male freemen followed in their fathers’ footsteps in joining the barbers’ guild.
The freemen’s oldest guilds date back to 1327. Women were first admitted in February 2012.