Thank you Jill and everyone on this list! I'm going with Jan. 1816 for birth. Again Thanks for being so helpful! Marie LC ----- Original Message ----- From: Kevin & Jill Barry & Family <kjbear@usinternet.com> To: <INDIANA-L@rootsweb.com> Sent: Sunday, March 11, 2001 12:28 PM Subject: Re: [INDIANA] Re: age calculation > In reply to my own posting : ) > > In analyzing this formula, I believe it will only be accurate to within a > few days of the birthdate. Looks like it assumes an average of 30 days per > month (which we know is not wholly accurate). But it can be a start anyway. > > - Jill > > > I got this quite a while back from one of the other lists: > > > > REMEMBER 8870 > > That's not an error: It's the number to remember > > when you want to find the birthdate of someone > > when you only have the date of death and age. > > > > How do you figure the birthdate? Suppose the > > person died May 6, 1889, at the age of 71 years, 7 months, 9 days. > > > > ****Write the year, month, day as:->18890506 > > ****Subtract the age at death:------->710709 > > ****This gives the figure:--------->18179797 > > ****Now subtract 8870:----------------->8870 > > ****The result is:----------------->18170927 > > > > Year 1817, 9th month (Sept), 27th day or 27 Sept, > > 1817 > > > > > > (and obviously, if the answer comes up with, for instance, the 13th month, > > you would assume the 1st month of the next year, etc.) > > > > > > Jill Arthur Barry > > <.><.><.><.><.><.><.><.><.><.><.><.><.><.><.> > > Researching surnames in: > > INDIANA - Arthur, Murnan, McGahey > > MICHIGAN - Boboltz, Mitchell, Doezema, > > WISCONSIN - Barry, Oravez, Hadrian > > and tons more. . . > > > ============================== > Search over 900 million names at Ancestry.com! > http://www.ancestry.com/rd/rwlist1.asp >