Maria de San Juan Guajardo was born circa 1757, the daughter of Manuel Guajardo and Maria de la Peña.
She married Jose Vicente Saenz on 22 Sep 1777 in Mier.
In 1782, she lived at San Pedro de las Flores. The church census recorded that she was married, española, and 25 years old. Her household included 4 people:
Jose Vicente Saenz, español, married, age 29.
Maria de San Juan Guajardo, española, married, age 25.
Maria Antonia Saenz, española, a young child, age 3.
Jose Melchiades Saenz, español, a young child, age 1.