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Dennegan Family History

Dennegan Surname Meaning

Historically, surnames evolved as a way to sort people into groups - by occupation, place of origin, clan affiliation, patronage, parentage, adoption, and even physical characteristics (like red hair). Many of the modern surnames in the dictionary can be traced back to Britain and Ireland.


Similar surnames: Hennegan, Dennen, Venneman, Donegan, Danneman, Henneman, Finnegan

Search for a relative to learn more about your family history.

Hint: Try searching for a relative alive in 1940.

Where is the Dennegan family from?

You can see how Dennegan families moved over time by selecting different census years. The Dennegan family name was found in the USA between 1880 and 1920. The most Dennegan families were found in USA in 1880. In 1880 there were 5 Dennegan families living in Rhode Island. This was about 56% of all the recorded Dennegan's in USA. Rhode Island had the highest population of Dennegan families in 1880.
Use census records and voter lists to see where families with the Dennegan 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 Dennegan family records will you find?

Census Records

There are 171 census records available for the last name Dennegan. Like a window into their day-to-day life, Dennegan census records can tell you where and how your ancestors worked, their level of education, veteran status, and more.

Search UK census records for Dennegan

Passenger Lists

There are 39 immigration records available for the last name Dennegan. 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 Dennegan immigration records

Draft Cards

There are 43 military records available for the last name Dennegan. For the veterans among your Dennegan ancestors, military collections provide insights into where and when they served, and even physical descriptions.

View all Dennegan military records

You've only scratched the surface of Dennegan family history

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What is the average Dennegan lifespan?

Between 1966 and 2004, in the United States, Dennegan life expectancy was at its lowest point in 1970, and highest in 1999. The average life expectancy for Dennegan in 1966 was 79, and 78 in 2004.

View Social Security Death Index (SSDI) for Dennegan

An unusually short lifespan might indicate that your Dennegan 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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