The next time you find a birth, marriage and death record that all agree about the name of the person and his date of birth or age, ask yourself: are these documents independent? An extract of the birth record would have been submitted in order to get married. The details from the marriage record may have been copied into the marriage booklet, which in turn may have been used by the informant of the death record. Understanding how these documents are created will help you analyze their value as evidence, and may cause you to expand your search towards other types of records.
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