This is a Message Board Post that is gatewayed to this mailing list. Classification: Query Message Board URL: http://boards.ancestry.com/mbexec/msg/an/WUB.2ACI/1314.2 Message Board Post: Jim, If he had a ss# he would be listed in in the ssdi.You don't need to know the number to do a search. http://ssdi.genealogy.rootsweb.com/