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Calculate Birth date from age at death
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Karin Schuette Weiss
I am using FH Ver 7.0.8.2.
I am wanting to calculate a birth date. I have the death date and the exact age at death - 48 years 2 months 28 days. I think I need to use the age data entry assistant to do this, but I cannot figure out how. Thank you Karin Schuette Weiss
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I think you are referring to the Age Entry Assistant Dialog associated with the Age box of every fact.
That will help you enter the exact Age into the Death event but it does NOT help with calculating the Date of Birth. You will have to figure that out yourself by subtracting the years, months and days from the Date of Death.
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Karin Schuette Weiss
Mike -
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Yes, it was the Age Entry Assistant. A little sad it doesn't help with what I wanted. It is the first time in a while I really missed TMG - they had an age calculator that did just what I wanted. So I tried framing a question online and found a Tombstone Birthday Calculator. It did just what I wanted. You are right that I could figure it myself, but I like having an easy way (and a way to check if my brain works). The calculation I had done myself was correct.
On 9/16/2021 2:09 PM, Mike Tate wrote:
I think you are referring to the Age Entry Assistant Dialog associated with the Age box of every fact.
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Paul Tanner-Tremaine
I have a simple date calculator on my website free to use at https://www.1820settlers.com/genealogy/settlercalculator.php
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Karin,
It was a bit more complex than I expected but the attached custom Query 'Birth Date from Age at Death' calculates Date of Birth from Death Date and Age. So after entering the Death event Date and Age, run the Query to discover the calculated Birth Date.
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There are a number of date
calculators online, for example
https://www.calendar-12.com/date_add_days Michael
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I'd like to just add a word of caution about calculating a birth date from a precise age at death. The fact that the sated age at death is precise (to the day) doesn't mean it is accurate! There are two possible causes of error:
1. The deceased, and their relatives, usually knew their birthday (day and month of the year) but sometimes got the year wrong and thought they were older or younger than they were. I have seen at least two cases where the age at death had been recorded in years, months and days but although the months and days were right the number of years was wrong! 2. The person who recorded the age at death had to do the reverse of your calculation: they started with the birth date (or what they believed to be the birth date) and calculated the age from that. They might have made a mistake in their calculation, and they probably didn't have the benefit of an online calculator! Just bear in mind that precision is not the same as accuracy! Lorna
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Karin Schuette Weiss
Paul - Thank you. Just tried this and got the same date as I
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did from the one I found online. I like yours especially as it can go either backward or forward. I have it bookmarked. Karin Schuette Weiss
On 9/17/2021 2:12 AM, Paul
Tanner-Tremaine wrote:
I have a simple date calculator on my website free to use at https://www.1820settlers.com/genealogy/settlercalculator.php
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Karin Schuette Weiss
Thank you. Have now tried (and bookmarked) this one also.
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Answer was the same. Karin Schuette Weiss
On 9/16/2021 2:13 PM, MichaelM wrote:
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Karin Schuette Weiss
Lorna - I agree with you one hundred percent.
death and age at death - use it. Then when I enter the resulting date of birth, also note how I got that.
see that as a good thing, since it is not a simple calculation, as months have different numbers of days and there are also leap years to consider. Boggles my mind. But when several calculators come up with the same date, I am hopeful they have some algorithm to handle all that.
are the same people who report years differently census to census, etc. There is no reason to think that those death ages are always right or even close. Just some times it is all there is.
Karin Schuette Weiss
On 9/17/2021 7:11 AM, Lorna Craig via
groups.io wrote:
I'd like to just add a word of caution about calculating a birth date from a precise age at death. The fact that the sated age at death is precise (to the day) doesn't mean it is accurate! There are two possible causes of error:
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Adrian Bruce
On Fri, 17 Sept 2021 at 20:10, Karin Schuette Weiss
<karinsw@frontier.com> wrote: it is not a simple calculation, as monthsMine too - if you think about it, two people might both be (say) 20 years and 5 months old, but one might be days *older* than the other because *their* 5 months had more 31 day months in it than the other person's!! And that's not even thinking about leap years.... So I try to ignore ages written in years, months and days! Adrian
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Karin Schuette Weiss
Thank you Mike.
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On 9/17/2021 3:01 AM, Mike Tate wrote:
Karin,
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I've just double-checked my custom Query 'Birth Date from Age at Death' against the online calculators and found a mistake.
The corrected plugin is attached. So after entering the Death event Date and Age, run the Query to discover the calculated Birth Date.
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Karin Schuette Weiss
Very nice Mike. I like having this available right in the program.
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Also, in order to use it, I first had to figure out how to enter the exact age. I am continually impressed with the fact that once I figure out how to use something, Family Historian is amazing. As are all you folks who so quickly provide answers to questions. Thanks to all. Karin Schuette Weiss
On 9/17/2021 1:49 PM, Mike Tate wrote:
I've just double-checked my custom Query 'Birth Date from Age at Death' against the online calculators and found a mistake.
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Karin,
I'm surprised you "had to figure out how to enter the exact age" as in your original posting you had already identified "the Age Entry Assistant Dialog associated with the Age box". In the FHUG Forum, I have posted a development of the Query that calculates the earliest and latest Birth Date from any facts that have both Date & Age. See 'Calculate Birth date from date & age in other facts' to download the 'Birth Date Calculator' Query at: https://www.fhug.org.uk/forum/viewtopic.php?f=32&t=19820
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I was interested to read this as "48 years 2 months 28 days" notations are common on USA registrations but not so much in UK. I am researching for a program to commit to and doing my research so shocked Family Historian does not have such a built in calculator, shocked as it appears to be one of the more professional packages and I have seen built in calculators in cheaper software which accept End Date as "48y, 2m, 28d" and calculate the start date and I have used this a lot.
I would say this is a common user need, especially for USA records, so is it on the development list for Family Historian or how do I find out. Software wise I just want to carefully choose a package that is speedy to use and help me rather than needing a lot of asides and time consuming workarounds. Thank you in advance
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rsamoir@blueyonder.co.uk
I agree. Deaths are recorded by someone who may not too closely related and, ladies in particular, might have taken a year or two off their age at marriage and subsequent ly. A relative of mine had two years of birth, I think to allow him to enlist a year early, and without a birth registration document very difficult to be sure.
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Bill, Did you see my reply on Tuesday, Sep 18th that linked to https://www.fhug.org.uk/forum/viewtopic.php?f=32&t=19820 where there is Query to Calculate Birth date from date & age in any other facts. Mike Tate
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