O'Shannessy Family History & Genealogy
O'Shannessy Last Name History & Origin
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Name Origin
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Spellings & Pronunciations
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Nationality & Ethnicity
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Famous People named O'Shannessy
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Early O'Shannessies
These are the earliest records we have of the O'Shannessy family.

O'Shannessy Family Photos
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O'Shannessy Family Tree
Discover the most common names, oldest records and life expectancy of people with the last name O'Shannessy.
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O'Shannessy Death Records & Life Expectancy
The average age of a O'Shannessy family member is 66.0 years old according to our database of 3 people with the last name O'Shannessy that have a birth and death date listed.
Life Expectancy
Oldest O'Shannessies
These are the longest-lived members of the O'Shannessy family on AncientFaces.



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