U.S., Social Security Applications and Claims Index, 1936-2007

Because of how the data was stored, created, and transferred, Ancestry.com’s “U.S., Social Security Applications and Claims Index, 1936-2007” has some data irregularities.

The entry for “Ida Loeria Neill” is typical. Her middle name is spelled incorrectly (it is Laura) and she probably gave her place of birth as Tioga, Walker Township, Illinois, based upon what is displayed in her entry in the claims Index. The places in this database are taken from the application for a social security number (the SS-5 form) and claims that were submitted by the individual listed. In some cases the place names have been truncated at some point in the process, probably by the Social Security Administration when databases allowed fewer characters in certain situations. Also remember that in early applications place names were not standardized.


Ancestry.com has standardized the place names for it’s search functionality. In some instances this may cause items to not be located during search (particularly if the exact search option is checked). Consider unexact searches, or (while using an exact search) choose only a state and place the name of the location in the keyword box.

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