National Genealogical Society

Resources for Genealogists and Family Historians Skip Navigation. Resources for Genealogists Home > Research Our Records > Resources for Genealogists Social Security Death Index SSDI Records Search Social Security Death Index Search by First and Last Name Name searches in the Social Security Death Index are processed against three fields of data—the first and last names of the deceased, and his or her middle initial or name. What Distinguishes GenealogyBank's Version of the SSDI? GenealogyBank is the ONLY U.S. Social Security Death Index database that is updated WEEKLY.