From the SS Death Index Crespin P. Aguilar Dob 14 Sept 1922 Died 6 oct 1968 in Los Angeles, CA Mother's maiden name; Contreras SS# 555 20 7571 I did not find another Crespin Aguilar who died the same year.
California Birth Index Crispine Aguilar Dob 14 Sept 1922 Mother's maiden name: Sesara(?)
Still trying to find them in the census records but no luck so far. Did your ggrandparents live in California? Was Raymond originally Ramon? I'll keep working at.