I do not have a subscription to Ancestry.com -so I am still searching for this person's family ancestors:
MARGARET ( LINDSTROM) FULLER
Birth MARCH 27 1875 in SWEDEN
Death FEB 12 1942 in San Luis Obispo County, California, USA
married to:
George Frank FULLER
Birth FEB 2 1870 in Illinois, USA
Death MAY 25 1946 in San Luis Obispo County, California, USA
Just found the Lindstrom, Minnesota site and perhaps that will give me some trails to follow, because I know that Margaret & Frank FULLER lived in Minnesota before they migrated to CA.

Here is Margaret's [Lindstrom] timeline:
Marriage to: George Frank Fuller 1898 Age ~23
Birth of son: Erick W Fuller Iowa, USA Circa 1898 1901 Age ~26
Birth of son: Lawrence W Fuller Iowa, USA Circa 1901 1904 Age ~29
Birth of son: Charles H Fuller Iowa, USA Circa 1904 1906 Age ~31
Birth of daughter: Fern Fuller Iowa, USA Circa 1906 1908 Age ~33
Birth of daughter: Mildred J Fuller Iowa, USA Circa 1908 1912 Age 37
Birth of daughter: Margaret Ethel Messer (born Fuller) Iowa, USA Aug 9 1912 1930 Age 55
Marriage of daughter: Margaret Ethel Messer (born Fuller) to Harvey Edward Messer Staples, Todd, Minnesota, USA Sep 3 1930 1942 Age 66
Death San Luis Obispo, California, USA Feb 12 1942 Burial Arroyo Grande Cemetery, Arroyo Grande, San Luis Obispo, California, USA