David, there is a 1900 Census for a Santos Solis, born in 1849, with parents Francisco, born 1849, Josefa, born 1854, with children Santos, 20, born 1879; siblings Facunda, Prajedes, Seferino, and Lalo. Living in Cameron, Texas. Neighbors Benito Garcia, wife Francisca; also Jose Garcia, wife Cruz. Also a 1920 census for Santos Solis, wife "Vivianne", children Carolina, Elvira, Irena, living in Justice Precinct 2, Willacy, Texas. A 1930 census for Santos G. Solis (reported as "Rantas"), born in Mexico; wife Viviana L. children Trinidad, Carolina, ELvira, Rafael, Salvador, Sarina,Juan, Benilde; neighbors Manuel Garcia, 32, Lidia H., 25, all living in Precinct 1, Kleberg, Texas