July 20, 2016

A census record offers you a moment in time when your ancestor was, say, five years old. That gives you a potential birth date range of 365 days, plus a possible Leap Day. If you use multiple records, however, you can use the overlaps to whittle down that range, getting closer to the real date. Doing this math in your head, unfortunately, can launch a headache. But I have a solution: the Date Narrowing Calculator. My gift to you.

Narrowing birth dates — a free tool does the math for youRead More »

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