This is the Montalvo ranch on porción 54, originally granted to Antonio Montalvo. It was located just outside the Mier ejidos on the south side of the Rio Grande.
The following residents were listed at this place in the 1782 padron (church census) of Mier, Nuevo Santander (listed by household number):
108 Don Antonio Montalvo, español, married. He was the ranch owner.
108 Maria Petra Salinas, española, married.
108 Maria del Carmen Montalvo, española, an unmarried girl.
108 Francisco Ignacio Montalvo, español, a youth.
108 Maria Josefa Montalvo, española, an unmarried girl.
108 Maria Cirila Montalvo, española, an unmarried girl.
108 Maria Teodora Montalvo, española, an unmarried girl.
108 Jose Antonio Montalvo, español, a child.
108 Maria Rosa Montalvo, española, a child.
108 Francisco Antonio Montalvo, español, a young child.
108 Juana Maria Montalvo, española, a young child, age 4.
108 Maria Gertrudis Montalvo, española, a young child, age 3.
108 Maria Antonia Montalvo, española, a young child, age 2.
108 Joaquin Montalvo español, age 48.
109 Luis (Secundo) Garcia Lerma, casta, married, age 68.
109 Maria Tomasa Solis, casta, married, age 64.
109 Francisca Garcia, casta, single, age 30.
109 Maria Gertrudis Garcia, casta, single, age 22.
109 Maria Guadalupe Garcia, casta, single, age 20.
109 Juan Jose Garcia, casta, a youth, age 19.