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Mary Mcguinness 1898 - 1986

Mary Mcguinness of Spring Lake, Monmouth County, NJ was born on June 30, 1898, and died at age 87 years old in March 1986.
Mary Mcguinness
Spring Lake, Monmouth County, NJ 07762
June 30, 1898
March 1986
Female
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Mary Mcguinness' History: 1898 - 1986

Uncover new discoveries and connections today by sharing about people & moments from yesterday.
  • 06/30
    1898

    Birthday

    June 30, 1898
    Birthdate
    Unknown
    Birthplace
  • 03/dd
    1986

    Death

    March 1986
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Mcguinness lived 14 years longer than the average family member when died at the age of 87.
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Did you know?
In 1898, in the year that Mary Mcguinness was born, on March 24th, Robert Allison of Pennsylvania became the first person to buy an American-built car. He bought a Winton, which he had seen in an advertisement in Scientific American. The Winton, built in Ohio, was made by hand and came with a leather roof, padded seats, gas lamps, and tires made by B.F. Goodrich.
Did you know?
In 1905, Mary was just 7 years old when the German born physicist, Albert Einstein, proposed the Special Theory of Relativity: 1) that observers can never detect uniform motion except relative to other objects and that 2) unlike the velocity of massive objects, the speed of light is a constant and is the same for all observers independent of their constant velocity toward or away from the light source. Not such simple concepts that lead to the equation everyone now knows: E = mc2.
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Mary Mcguinness' Family Tree & Friends

Mary Mcguinness' Family Tree

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Friendships

Mary's Friends

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