Responding to customer input, Ancestry.com has revised the criteria that it uses with respect to searching based upon user specified birth and/or death years. The changes, implemented April 29, 2009, are intended to help reduce the listing of irrelevant search results.
If the user specifies both a birth and death year for an ancestor, Ancestry’s search will cover a range of 5 years before the specified birth year through 2 years after the specified death year. For example, if the specified birth year is 1850 and the death year is 1875, the search range will cover from 1845 through 1877.
If only the birth year is specified by the user, Ancestry’s search will cover a range of 5 years before the specified birth year through 102 years after the specified birth year. For example, if the specified birth year is 1850 and there is no death year specified, the search range will cover from 1845 through 1952.
If only the death year is specified by the user, Ancestry’s search will cover a range of 105 years before the specified death year through 2 years after the specified death year. For example, if the specified death year is 1875 and there is no birth year specified, the search range will cover from 1770 through 1877.
Obviously, better results should be achieved when both birth and death years are specified by the user.
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