Hi Estelle, I searched Ancestry and FamilySearch and didn't find the marriage info for Marino.
I did find the following: A Marino Lafranchi Born=1 Sept. 1881 Last Residence=Santa Rosa, Sonoma Died=July 1979 Last Benefit Mailed to=Santa Rosa His soc. sec. # was assigned before 1951 in CA. Source=Social Security Death Index.
There is a volunteer that will check birth, death and marriage info in Sonoma Co. Go to raogk.org, read guidelines, choose S and scroll down to Sonoma Co. and choose one volunteer. Successful Searching!