Fennessy Family History

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Fennessy Name Meaning

Irish: reduced Anglicized form of Gaelic Ó Fionnghusa ‘descendant of Fionnghus’, a personal name composed of the elements fionn ‘fair’, ‘white’ + gus ‘vigor’, ‘force’.

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

Similar surnames: Hennessy, Finnerty, Fennell, Dennehy, Kennedy, Feeney, Hennelly

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Fennessy Family Origin

Where is the Fennessy family from?

Fennessy Family Occupations

What did your Fennessy ancestors do for a living?

In 1881, the most common Fennessy occupation in Canada was Farmer. 50% of Fennessy's were Farmers. Farmer and Storekeeper were the top 2 reported jobs worked by Fennessy.

View Census data for Fennessy | Data not to scale

  • Farmer

  • Storekeeper


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

Fennessy Historical Records

What Fennessy family records will you find?

Census Record

There are 7,000 census records available for the last name Fennessy. Like a window into their day-to-day life, Fennessy census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search 1881 Canadian census records for Fennessy

Passenger List

There are 1,000 immigration records available for the last name Fennessy. Passenger lists are your ticket to knowing when your ancestors arrived in Canada, and how they made the journey - from the ship name to ports of arrival and departure.

View all Fennessy immigration records

Draft Card

There are 1,000 military records available for the last name Fennessy. For the veterans among your Fennessy ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Fennessy military records

You've only scratched the surface of Fennessy family history.

Fennessy Life Expectancy

What is the average Fennessy lifespan?

Between 1949 and 2004, in the United States, Fennessy life expectancy was at its lowest point in 1977, and highest in 1997. The average life expectancy for Fennessy in 1949 was 54, and 74 in 2004.

View Social Security Death Index (SSDI) for Fennessy

An unusually short lifespan might indicate that your Fennessy 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.

Famous Fennessy Family Ancestors

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