Hennessy Family History

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Hennessy Name Meaning

Irish: reduced form of O’Hennessy, an Anglicized form of Gaelic Ó hAonghusa ‘descendant of Aonghus’ (see Angus, and compare McGinnis).

Source: Dictionary of American Family Names ©2013, Oxford University Press


Similar surnames: Fennessy, Heaney, Hennelly, Kennedy, Hennessey, Hennesy, Fennelly

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Hennessy Family Origin

Where is the Hennessy family from?

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Hennessy Family Occupations

What did your Hennessy ancestors do for a living?

Census records can tell you a lot of little known facts about your Hennessy ancestors, such as occupation. Occupation can tell you about your ancestor's social and economic status.

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  • Laborer

    21%
  • Farmer

    11%
  • Keeping House

    6%
  • Carpenter

    1%

In 1880, the most common Hennessy occupation in the USA was Laborer. 21% of Hennessy's were Laborers. A less common occupation for the Hennessy family was Carpenter. Laborer, Farmer and Keeping House were the top 3 reported jobs worked by Hennessy.

Source: Census data for Hennessy | Data not to scale

Hennessy Historical Records

What Hennessy family records will you find?

Census records can give you a fascinating window into the day-to-day lives of your Hennessy ancestors - like hours worked per week, level of education, veteran status, employers, and more.

Search 1940's US census records for Hennessy

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Hennessy Life Expectancy

What is the average Hennessy lifespan?

An unusually short lifespan might indicate that your Hennessy ancestors lived in harsh conditions. A short lifespan might also indicate health problems that were once prevalent in your family. The SSDI is a searchable database of more than 70 million names. You can find birthdates, death dates, addresses and more.

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United States

Famous Hennessy Family

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Ella Fitzgerald1918 - 1996 (78)
Mark Twain1835 - 1910 (74)
Albert Einstein1879 - 1955 (76)
Grace Kelly1929 - 1982 (52)
Ella Fitzgerald1918 - 1996 (78)
Mark Twain1835 - 1910 (74)
Albert Einstein1879 - 1955 (76)

Amelia Earhart1897 - 1939 (41)
James Dean1931 - 1955 (24)
Martin Luther King, Jr.1929 - 1968 (39)
Audrey Hepburn1929 - 1993 (63)
Amelia Earhart1897 - 1939 (41)
James Dean1931 - 1955 (24)
Martin Luther King, Jr.1929 - 1968 (39)
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