When Brita Pehrsson was born on 23 March 1760, in Vallby, Uppsala, Sweden, her father, Per Olsson, was 24 and her mother, Elsa Ersdotter, was 23. She married Eric Johansson on 28 December 1780, in Alsike, Stockholm, Sweden. They were the parents of at least 2 sons and 2 daughters. She lived in Ärentuna, Uppsala, Sweden in 1760. She died on 6 December 1795, in Alsike, Stockholm, Sweden, at the age of 35, and was buried in Alsike, Stockholm, Sweden.