(Portland, OR)  --  Two people are dead and a child is hospitalized following a head-on crash in a rural area of Marion County.  The Marion County Sheriff's Office says the crash happened yesterday afternoon on McKay Road Northeast near Case Road when a westbound vehicle crossed into oncoming traffic and struck another vehicle head-on.  Both drivers were pronounced dead at the scene.  A four-year-old boy in one of the vehicles was rushed to a hospital and is expected to recover.  Police are identifying the deceased as 34-year-old Jessica Griego and 65-year-old Martin Johnson.