Anna Maria Thelott was born in Uppsala, Sweden. She was the daughter of engraver and watchmaker Philip Jacob Thelott the Elder (1635-1710), She was the sister of academic Philip Jacob Thelott the Younger (1682-1750) and half-sister of the engraver Olof Thelott (ca 1670-1728). Her parents had emigrated from Switzerland to Uppsala in the 1670s.