Mai was born in 1751. Mai's father was Peeter and her mother is Madli. Her paternal grandparents were Mats and Mai; her maternal grandparents were Juhan and Ell. She had three brothers and five sisters, named Toomas, Mats, Hans, Anu, Liis, Mari, Tiiu and Margret. She died at the age of 42 in 1793.