Social Security Death Index – Free Search

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Social Security Number (SSN)



Using SSDI Search

The Social Security Death Master File (DMF, also popularly called the Social Security Death Index, or SSDI) is used by the Social Security Administration for coordinating benefits. Understanding the history of the DMF and what it is (and isn’t) can help you get the best use of the database.

Read More on the Mocavo blog : Understanding the SSDI — Part I , Part II , and Part III .