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Hennessey Family History

Hennessey Surname Meaning

Irish: variant of Hennessy.

Source: Dictionary of American Family Names 2nd edition, 2022


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Hint: Try searching for a relative alive in 1940.

Where is the Hennessey family from?

You can see how Hennessey families moved over time by selecting different census years. The Hennessey family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Hennessey families were found in USA in 1880. In 1891 there were 203 Hennessey families living in London. This was about 30% of all the recorded Hennessey's in United Kingdom. London had the highest population of Hennessey families in 1891.
Use census records and voter lists to see where families with the Hennessey surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.
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What did your Hennessey ancestors do for a living?

In 1939, General Labourer and Unpaid Domestic Duties were the top reported jobs for men and women in the United Kingdom named Hennessey. 40% of Hennessey men worked as a General Labourer and 77% of Hennessey women worked as an Unpaid Domestic Duties. Some less common occupations for Americans named Hennessey were Bricklayer and Housewife.

View Census Data for Hennessey | Data not to scale

*We display top occupations by gender to maintain their historical accuracy during times when men and women often performed different jobs.

Top Male Occupations In 1939

  • General Labourer
    40%
  • Builders Labourer
    6%
  • Postman
    6%
  • Bricklayer
    6%

Top Female Occupations In 1939

  • Unpaid Domestic Duties
    77%
  • Unpaid Domestic
    3%
  • Office Cleaner
    3%
  • Housewife
    3%

What Hennessey family records will you find?

Census Records

There are 64,000 census records available for the last name Hennessey. Like a window into their day-to-day life, Hennessey census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Hennessey

Passenger Lists

There are 10,000 immigration records available for the last name Hennessey. Passenger lists are your ticket to knowing when your ancestors arrived in the UK, and how they made the journey - from the ship name to ports of arrival and departure.

View all Hennessey immigration records

Draft Cards

There are 12,000 military records available for the last name Hennessey. For the veterans among your Hennessey ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Hennessey military records

You've only scratched the surface of Hennessey family history

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What is the average Hennessey lifespan?

Between 1942 and 2004, in the United States, Hennessey life expectancy was at its lowest point in 1952, and highest in 2001. The average life expectancy for Hennessey in 1942 was 46, and 76 in 2004.

View Social Security Death Index (SSDI) for Hennessey

An unusually short lifespan might indicate that your Hennessey 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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