I am seeking a John Erskine Clark, birthplace and parents unknown He and Irene Florence Clark were residing on Howard Street, San Francisco. I show them residing at this address in 1939. It is possible they could have resided on Haight Street, San Francisco in 1937. He was employed as a railroad employee out of the Burlingame, California yards. Type of work unknown. I don't have any other information to make a search. Any assistance you can provide will be appreciated. Earline