Hi Kim, A Grace Beatrice Clunk b. 25 Oct 1871, Missouri died 31 Oct 1945, Los Angeles Co. Mother's Maiden Name=Allison. Father's Surname=Rice. Source: California Death Index 1940-97.
You can request a copy of her obituary from Los Angeles County Public Library
OR Random Acts Genealogical Kindness. Go to raogk.org, read guidelines, choose California, choose Los Angeles Co. and look for one obituary volunteer.
If Leon was adopted when he was older, his adopted parents might have kept his original surname. A Leon E. Rice b. 6 June 1888, Illinois died 24 Nov 1956, Santa Clara Co. Source: California Death Index 1940-97.
Access the Silicon Valley Library System Reference Center web site, http://obit.systemref.orghttp://obit.systemref.org . Fill out the form to request a copy of an obituary or death Notice.
OR contact the Santa Clara County Historical and Genealogical Society, scchgs.org/main/service.html .
You can also contact the above Society for research work.
When researching families, always start with what you know. What were their children's name, where and when were they born and then work backwards to the Rice family. Successful Searching!