San Lorenzo corresponds to the location of the modern site of Los Guerra. associates San Lorenzo with Rancho el Saladito, but it is more likely el Saladito was sited on the Mier ejidos.
The following residents were listed at this place in the 1782 padron (church census) of Mier, Nuevo Santander (listed by household number):
76 Don Jose Ramon Guerra Cañamar, español, a widower, age 65. He was the ranch owner.
76 Jose Antonio Guerra Cañamar, español, single, age 29.
76 Jose Alejandro Guerra Cañamar, español, single, age 22.
76 Maria Ignacia Guerra Cañamar, española, an unmarried girl, age 19.
76 Maria Juana Francisca Guerra Cañamar, española, an unmarried girl, age 18.
76 Maria Graciela Guerra Cañamar, española, an unmarried girl, age 16.
76 Vicente Guerra Cañamar, español, a child, age 15.
76 Jose Ignacio Guerra Cañamar, español, a child, age 11.
77 Antonio Albino Guerra Cañamar, español, married, age 26.
77 Maria Rosalia Salinas, española, married, age 28.
77 Maria Guadalupe Guerra Cañamar, española, a child, age 7.
77 Maria Manuela Guerra Cañamar, española, a young child, age 5.
77 Jose Manuel Guerra Cañamar, español, a young child, age 3.
77 Jose Laureano Guerra Cañamar, español, a young child, age 1.
77 Jose Hilario Guerra Cañamar, español, a young child, age 1.