[1][2] She was the head of a textile mill for years (1757-1766), where she became known for the high quality of the processing of flax she taught to students.
When she finished her training in 1756, she was given a price for her accomplices in the profession in Stockholm, as it was Swedish policy at the time to encourage the textile industry and knowledge within the trade.
In 1764 she married her colleague, the textile teacher Mikael Mengalin (1731-1794), with whom she had three daughters and a son.
The couple left their position when the school was closed in 1766, but continued to teach.
Maria Elisabet Öberg was a respected educator in contemporary Sweden (with Finland).