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1. www.longislandgenealogy.com › birthBirth Date Calculator - Long Island Genealogy

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   The birth date calculator is a useful tool for genealogists. It is designed to calculate the birth date when the age at death and the date of death are the only facts known. As we all know this is often the only information recorded on older headstones.

2. Videos

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     How to Calculate a Birth Date from Date of Death and Age

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     Date Calculator: Find the Birth Date from Age and Death Date

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     How to calculate chronological age manually.

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

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   • Calculating Birth Dates
   • Tips
   • How to Calculate by Hand

   We all know that having birth dates helps us to complete the information for our ancestors and birth dates many times are much harder to find the further back you go. But many times we at least have the date of death with the age listed in Years-months-days. This information can be found on So how does one calculate a date to get as close as possib...

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   Be aware that some of these Websites have other types of calculators with different functions, explanations and tips, with various kinds of information. So check out the rest of the page. (The foll...

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   When the online calculator is not available, use the **8870 formulaor the 30 day month length For example:If a person died May 6, 1889 at age 71 years, 7 months and 9 days: 18890506Year, day, month of death (yyyymmdd)1889--05--06 _________ 18179797 ________18170927 Born 27 Sept. 1817 (yyyymmdd)1817yr-09mo-27dd This person was born on September 27, ...

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

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   Calculates birth date from death date, tombstone agesa and aged information, death certificate, census, marriage date and age. Free Age calculator at OVS-Genealogy.

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

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   Calculate birth date from death date on tombstone or death certificate. Also calculates birthdate from census and birthdate from marriage date and age. Begin your genealogy search here.

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

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   Jun 30, 2021 · This calculator allows Julian calendar or Gregorian dates to help you calculate birth date from age at date of death. Has options to use calendar month method (subtracts days first) or 30 day month method (8870 method)

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

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   Jan 18, 2024 · Omni's birth from death date calculator will help you in your research: input age and death date, and in the blink of an eye you'll get the birth date!

8. People also ask

   What is a birth date calculator?

   • The birth date calculator is a useful tool for genealogists. It is designed to calculate the birth date when the age at death and the date of death are the only facts known. As we all know this is often the only information recorded on older headstones. The birth date calculator is a useful tool for genealogists.

   Birth Date Calculator - Long Island Genealogy

   www.longislandgenealogy.com/birth.html

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   How do I calculate birth date from death date?

   • Calculate birth date from death date on tombstone or death certificate. Also calculates birthdate from census and birthdate from marriage date and age. Begin your genealogy search here. Find your ancestry and build your family tree.

   Tombstone Birthday calculator at Ancestor Search - search for ancestors

   www.searchforancestors.com/utility/birthday.html

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   How do you calculate a birth year?

   • Calculators can be used to approximate a birth year from: 1) census data 2) birth date from wedding date and age. Use either the Julian or Gregorian Calendar. Do not used the two together. There is what is called a 30-day-month/or **8870 method which assumes that all months have 30 days.

   Birth and Death Date Calculators • FamilySearch

   www.familysearch.org/en/wiki/Birth_and_Death_Date_Calculators

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   How do I calculate age at death?

   • Use to calculate age at death - the difference between date of birth and date of death. Use to calculate the difference between any two dates. Use the calculator to fill in the narrative of your family history. It makes the family narrative more interesting to know the exact age at historical events and exact age at death.

   Age Calculator at Ancestor Search - search for ancestors

   www.searchforancestors.com/utility/age.html

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9. www.searchforancestors.com › utility › ageAge Calculator at Ancestor Search - search for ancestors

   www.searchforancestors.com › utility › age

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   Enter date of birth to calculate exact age in year, months, and days. Or Enter date of birth and date of date to calculate exact age at death. Free Age Calculator works for any year.