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1. ingenweb.org › inorange › calculateCalculate Birthdate from Death Data - INGenWeb

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   Calculates birthdate from death date and age of death in year-month-day format. All dates according to the Gregorian calendar, with New Year on Jan. 1. Enter date of death and age at death: Day/s. Month/s. Year/s.

2. www.searchforancestors.com › utility › birthdayTombstone Birthday calculator at Ancestor Search

   www.searchforancestors.com › utility › birthday

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   Calculate birth date from death date and age on tombstone, certificate or obituary. Use exact month or 30-day month method and Julian or Gregorian calendar.

3. www.omnicalculator.com › birth-from-death-dateBirth From Death Date Calculator

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   Jan 18, 2024 · Find the birth date from the death date and the age at death using simple subtractions. Learn how to calculate the birth date from the age in years, months, days, or years/months/days formats.

4. www.familysearch.org › en › wikiBirth and Death Date Calculators • FamilySearch

   www.familysearch.org › en › wiki

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   • Calculating Birth Dates
   • Ways For Calculating Dates
   • How to Calculate by Hand - Estimated Date

   Sometimes a birthdate is not know and the date of death with the age listed in Years-months-days is provided. This requires a calculator to be used to determine the birthdate. There are several different kinds of calculators to use in determining a person's birth or death date. The method used by the calculator will give you different results. Age ...

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   There are different ways to calculate a date from an age at death: 1. Calendar month method 1. 1.1. In addition, the calendar month method can be done two ways: 1.1. 1.1.1. Subtract days first, then months and years 1.1.2. Subtract years first, then months and days 1. 30 day month method (also known as 8870 method) This can be explained with this e...

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   There is what is called a 30-day-month/or **8870 method which assumes that all months have 30 days, many of the headstones and obituary ages at death appear to have been computed using this method. It's an approximation which agrees with the exact calendar month method about 2/3 of the time. When the online calculator is not available, use the **88...

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5. ovs-genealogy.com › tools › free_birthdate_calculatorGenealogy: Tombstone Birth date calculator. Calculate ...

   ovs-genealogy.com › tools › free_birthdate_calculator

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   Basing Months On : From the tombstone or death certificate date and age at death. Day. 0 to 31. Month. Year. YYYY. Date of death: January February March April May June July August September October November December.

6. People also ask

   How to calculate birth date from age at death?

   • Calculating the birth date from the age at death is a simple task, but it depends on the data you know. If you know only the age in years, you can approximate the birth year. If you know the age in years and months, you can expand this information on the date of birth but keep some inaccuracy (the result may be shifted by one month).

   Birth From Death Date Calculator

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   How do you find a birth date if a person dies?

   • If you know only the age in years, you can only find an approximate birth date. To do so, subtract the age in years from the year of death. The result can be one year higher than expected if the birthday of the person you are considering hadn't happened at the time of death.

   Birth From Death Date Calculator

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   How do you calculate days in a year of death?

   • Days in the year of death. From the date of death, calculate how many days that person lived in the last year. You can approximate the result by multiplying the number of months by 30.4 30.4, the average month length. Subtract this result from the age in days. 365.25 365.25 and rounding down the result.

   Birth From Death Date Calculator

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   How do you subtract a year from a death date?

   • Subtract the number of days in the age from the death date's days. Subtract the number of months between the two dates. Subtract the years between the two dates. You may have to carry over and tune the quantities in the subtractions: remember that a month has, on average, 30.4 days, and a year has exactly 12 months.

   Birth From Death Date Calculator

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7. www.mikesclark.com › genealogy › utilitiesAge at Death Calculator

   www.mikesclark.com › genealogy › utilities

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   Calculate the birthdate or the age at death using the death date and the age at death. Choose from four different methods, including one that assumes 30-day months.

8. www.familysearch.org › en › wikiDate Calculator • FamilySearch

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   Jul 4, 2021 · How to calculate by hand. When the online calculator is not available, use the **8870 formula or the 30 day month length [4] For example: If a person died May 6, 1889 at age 71 years, 7 months and 9 days: 18890506 Year, day, month of death (yyyymmdd) 1889--05--06. -710709 Subtract age at death (yymmdd) 71yr-07mo-09dd.