Volume 2 of the book covers the delayed births. In the 1930s when Social Security came into effect, many individuals did not have actual birth records to prove their birth date. They would need to have someone write a letter verifying the applicant’s birth date. We do not have the original delayed birth records in our department. | Volume 2 of the book covers the delayed births. In the 1930s when Social Security came into effect, many individuals did not have actual birth records to prove their birth date. They would need to have someone write a letter verifying the applicant’s birth date. We do not have the original delayed birth records in our department. |