Thanks, that was what I was looking for. When I'm head buried in books at the Library or Nat'l Archives, I have a small package of essential tools that I carry with me...that was one. I must have left it behind. Hope someone else found it useful. Linda ---- Original Message ----- From: bonbon <[email protected]> To: <[email protected]> Sent: Saturday, December 04, 1999 9:24 PM Subject: Re: [SHANNON-L] Calculation > > Linda: > > Have you received an answer on the Calculation of birthdates as yet? If > not, here it is: > > 8870 FORMULA > Using the 8870 Formula to ascertain a birth date can be a tremendous help > to the genealogist when checking tombstone or death record dates. If a > tombstone or death record shows that a person died May 6, 1889 and was 71 > years, 7 months, and 9 days old, but no date of birth is listed, in order > to correctly arrive at the birth date one has only to use the 8870 formula > to quickly get the date of birth rather than taking time to count > backwards. > > 18890506 (died 1889 May 6) > Subtract 710709 (71 years 7 months 9 days) > ________ > 18179797 > Subtract 8870 (constant) > ________ > 18170927 (born 1817 Sep 27) > > I have this formula in my files and I wish to give credit to the source as > follows: > (from Georgia LYONS from her copy of The Saginaw Gen. Soc., Inc., reprinted > in the Questing Heirs, Vol. 23, Betty J. Mason) > > Sincerely, > > Bonnie Huser, > A Shannon > > ---------- > > From: Stanly or Linda Widau <[email protected]> > > To: [email protected] > > Subject: [SHANNON-L] Calculation > > Date: Sunday, November 28, 1999 10:58 AM > > > > Does anyone have the special formula for finding out the birth date given > at time of death, year, month, and day. I had it and have misplaced it. > > Thanks, > > Linda, Kansas City >