Hi, Your post is unclear as to whether Rose Peralta is the wife or mother of Luis Ortega.
From Ancestry.com California Death Index Luis B Ortega Birth 13 July 1897 Ca. Death 06 April 1995 Butte, California Mother's maiden name: Peralta SS#572461747
1940 US Census, Santa Barbara,Santa Barbara, Ca Lewis (Luis) R. Ortega Estimated birth year 1898 Craftsman, retail rawhide novelty shop Rose- spouse born in Oregon, age approx 29
1930 US Census, Santa Barbara, Santa Barbara, Ca Andrew Andrew A Ortega 58/ 1872Ca, Foreman,Stock farm Rosa Ortega 50 about 1880. born Ca. relationhip to head of household-wife/marital status-single Louis Ortega, son , 31 residence either Jalama?Rd or Sudden Arquella Rd?
1920 US Census Cojo, Santa Barbara, Ca Andrew Ortega about 1870 CA. parents born Ca Foreman, spade ranch Lewis Ortega22 about 1898birth Ca Rosa Ortega 40about 1880 birth Ca Father-MX Mother Ca Stella Ortega 15 about 1905