Mai was born in 1749. Mai's father was Hindrik and her mother is Ann. Her paternal grandparents were Peeter and Ädu; her maternal grandfather is Karl. She had three brothers and three sisters, named Jaan, Hans, Evert, Margret, Madli and Mari. She had three half-brothers and four half-sisters, named Märt, Juhan, Volmer, Katri, Mari, Anu and Tiiu. She died at the age of 48 in 1797.