Despite her reluctance to taking part in the Council of Primogen, she was the city's foremost Toreador for many years until her disappearance in 1990.
At that time, her sire Helena rose from Torpor underneath the Succubus Club, with hunger almost beyond measure. Maria was Helena's first victim. Maria's fate is not known to the kindred at large, nor are they aware of Helena's nature as a methuselah.
After Maria's disappearance, her childe Annabelle Triabell took her place as Chicago's most prominent Toreador.